APA aipamena

Schwartz, D. J. (1987). The magic of thinking big. Simon & Schuster.

Chicago Style aipamena

Schwartz, David Joseph. The Magic of Thinking Big. New York: Simon & Schuster, 1987.

MLA aipamena

Schwartz, David Joseph. The Magic of Thinking Big. Simon & Schuster, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.