Παραπομπή APA

Peale, N. V. (1996). Courage and confidence: An anthology. Vermilon.

Παραπομπή Chicago Style

Peale, Norman Vincent. Courage and Confidence: An Anthology. London: Vermilon, 1996.

Παραπομπή MLA

Peale, Norman Vincent. Courage and Confidence: An Anthology. Vermilon, 1996.