APA (7e ed.) Bronvermelding

Lansdown, B., Blackwood, P. E., & Brandwein, P. F. (1971). Teaching elementary science through investigation and colloquium. Harcourt Brace Jovanovich.

Chicago (17e ed.) Bronvermelding

Lansdown, Brenda, Paul Everett Blackwood, en Paul Franz Brandwein. Teaching Elementary Science Through Investigation and Colloquium. New York: Harcourt Brace Jovanovich, 1971.

MLA (9e ed.) Bronvermelding

Lansdown, Brenda, et al. Teaching Elementary Science Through Investigation and Colloquium. Harcourt Brace Jovanovich, 1971.