Παραπομπή APA

Peale, N. V. (1964). Amazing result of positive thinking. cedarr.

Παραπομπή Chicago Style

Peale, Norman Vincent. Amazing Result of Positive Thinking. London: cedarr, 1964.

Παραπομπή MLA

Peale, Norman Vincent. Amazing Result of Positive Thinking. cedarr, 1964.