APA (7e ed.) Bronvermelding

Boyle, D. G. (1969). A students' guide to Piaget (First edition.). Pergamon Press.

Chicago (17e ed.) Bronvermelding

Boyle, D. G. A Students' Guide to Piaget. First edition. Oxford, New York: Pergamon Press, 1969.

MLA (9e ed.) Bronvermelding

Boyle, D. G. A Students' Guide to Piaget. First edition. Pergamon Press, 1969.