APA (7e ed.) Bronvermelding

Blough, G. O., & Schwartz, J. (1964). Elementary school science and how to teach it (3rd ed.). Holt Rinehart and Winston.

Chicago (17e ed.) Bronvermelding

Blough, Glenn Orlando, en Julius Schwartz. Elementary School Science and How to Teach It. 3rd ed. New York: Holt Rinehart and Winston, 1964.

MLA (9e ed.) Bronvermelding

Blough, Glenn Orlando, en Julius Schwartz. Elementary School Science and How to Teach It. 3rd ed. Holt Rinehart and Winston, 1964.