APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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