APA-referens (7:e uppl.)

Biological Sciences Curriculum Study. (1969). Biological science, an inquiry into life, second edition: Teacher's manual. Harcourt, Brace & World.

Chicago-referens (17:e uppl.)

Biological Sciences Curriculum Study. Biological Science, an Inquiry into Life, Second Edition: Teacher's Manual. New York: Harcourt, Brace & World, 1969.

MLA-referens (8:e uppl.)

Biological Sciences Curriculum Study. Biological Science, an Inquiry into Life, Second Edition: Teacher's Manual. Harcourt, Brace & World, 1969.