Biological Sciences Curriculum Study. (1969). Biological science, an inquiry into life, second edition: Teacher's manual. Harcourt, Brace & World.
Chicago-Zitierstil (17. Ausg.)Biological Sciences Curriculum Study. Biological Science, an Inquiry into Life, Second Edition: Teacher's Manual. New York: Harcourt, Brace & World, 1969.
MLA-Zitierstil (8. Ausg.)Biological Sciences Curriculum Study. Biological Science, an Inquiry into Life, Second Edition: Teacher's Manual. Harcourt, Brace & World, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.