Gaya APA

Jull, M, A. et al (1970). The conditions of learning . New York: New York: Holt, Rinehart and Winston; 1970.

Gaya MLA

Jull, Morley, A. et al. "The conditions of learning". New York: New York: Holt, Rinehart and Winston; 1970, 1970. Text.