Lua APA (7ú heag.)

Ullmann, L. P., & Krasner, L. (1969). A psychological approach to abnormal behavior. Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

Ullmann, Leonard P., agus Leonard Krasner. A Psychological Approach to Abnormal Behavior. Englewood Cliffs, N.J: Prentice-Hall, 1969.

Lua MLA (9ú heag.)

Ullmann, Leonard P., agus Leonard Krasner. A Psychological Approach to Abnormal Behavior. Prentice-Hall, 1969.

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