APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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