Gaya APA

Abnormal psychology. (1978). New York: [s.n.].

Gaya Chicago

Abnormal psychology. . New York: [s.n.], 1978. Text.

Gaya MLA

Abnormal psychology. . New York: [s.n.], 1978. Text.

Gaya Turabian

Abnormal psychology. New York: [s.n.], 1978. Print.