APA aipamena

Kingsley, H. L. (1957). The nature and conditions of learning (2nd ed.). Prentice-Hall.

Chicago Style aipamena

Kingsley, Howard L. The Nature and Conditions of Learning. 2nd ed. Englewood Cliffs, N. J: Prentice-Hall, 1957.

MLA aipamena

Kingsley, Howard L. The Nature and Conditions of Learning. 2nd ed. Prentice-Hall, 1957.