Παραπομπή APA

Wever, C., & Phillips, N. (1996). The secret problem (2nd ed.). Concord: A shrink-rap Press Book.

Παραπομπή Chicago Style

Wever, Chris., and Neil Phillips. The Secret Problem. 2nd ed. Concord: A shrink-rap Press Book, 1996.

Παραπομπή MLA

Wever, Chris., and Neil Phillips. The Secret Problem. 2nd ed. Concord: A shrink-rap Press Book, 1996.

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