APA (7e ed.) Bronvermelding

Zafforoni, J. (1963). New developments in elementary school science: Report of a study. National Science Teachers Association.

Chicago (17e ed.) Bronvermelding

Zafforoni, Joseph. New Developments in Elementary School Science: Report of a Study. Washington: National Science Teachers Association, 1963.

MLA (9e ed.) Bronvermelding

Zafforoni, Joseph. New Developments in Elementary School Science: Report of a Study. National Science Teachers Association, 1963.