Sources list for FOUR MARKETING:

Erdogan, B.Z. 2002, 'Increasing mail survey response rates from an industrial population: A cost effectiveness analysis of four follow-up techniques', Industrial Marketing Management. Vol. 31, no1 (January).
Survey Methods for Educational Research

Gingerich, Owen. "The Scale of the Universe: A Curtain Raiser in Four Acts and Four Morals." Retrieved November 12, 2003 at http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1996 PASP..108.1068G&db_key=AST&page_ind=0&plate_select=NO&data_type=GI Gingerich, Owen. "The Scale of the Universe: A Curtain Raiser in Four Acts and Four Morals." Retrieved November 12, 2003 at http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1996 PASP..108.1068G&db_key=AST&page_ind=0&plate_select=NO&data_type=GI
Astronomical Distance Ladder

The Four Lesson Of The California Recall Election. Available on the address http://www.bushlies.net/image s/Four_Lessons_of_Recall.doc. The Four Lesson Of The California Recall Election. Available on the address http://www.bushlies.net/image s/Four_Lessons_of_Recall.doc. Accessed on 25 Nov. 2003.
California Recall of the Gray Davis Election

Talbot, M. (1999). Love, American style. New Republic. Trotter, R. (1998). To have and to hold - for four years - research shows peak in divorce after four years of marriage. Psychology Today. Varnis, S. (1997). Broken vows, therapeutic sentiments, and le
Marriage and Divorce

Allen, Francis A. "Nineteen Eighty-Four and the Eclipse of Private Worlds." The Future of Nineteen Eighty-Four. Ed. Ejner J. Jensen. New York: U of Michigan P, 1984. 151-160.
"1984"