Books, Brochures, and Chapters>Book:  Ridley , Matt (2003), Nature via Nurture: Genes, Experience, & What Makes Us Human, HarperCollins Publishers, Retrieved on 2012-05-30

Source Material [books.google.com]

Periodicals>Journal Article:  Stein, Medland, Vasquez (15 April 2012), Identification of common variants associated with human hippocampal and intracranial volumes, Nature Genetics, Retrieved on 2012-04-16

Source Material [www.nature.com]

Books, Brochures, and Chapters>Book:  Darlington , Cyril Dean and Cour , L. F. La (1975), The handling of chromosomes, Halsted Press, Retrieved on 2012-03-23

Source Material [books.google.com]

Periodicals>Magazine Article:  Elmer-Dewitt, Philip (17 Jan 1994), The Genetic Revolution, Time, Retrieved on 2012-02-01

Proceedings of Meetings and Symposia>Conference Session:  Arbib, Michael A. and Waddington, C. H. (1969), Towards a Theoretical Biology: An IUBS Symposium, Vol. 2, 323, Retrieved on 2011-09-08