APA (7e ed.) Bronvermelding

Carin, A. A. (1997). Guided discovery activities for elementary school science (4th ed.). Merrill.

Chicago (17e ed.) Bronvermelding

Carin, Arthur A. Guided Discovery Activities for Elementary School Science. 4th ed. Upper Saddle River, N.J: Merrill, 1997.

MLA (9e ed.) Bronvermelding

Carin, Arthur A. Guided Discovery Activities for Elementary School Science. 4th ed. Merrill, 1997.