APA-viite (7. p.)

Sobel, R. (1974). The entrepreneurs: Explorations within the American business tradition / by Robert Sobel. Weybright and Talley.

Chicago-viite (17. p.)

Sobel, Robert. The Entrepreneurs: Explorations Within the American Business Tradition / by Robert Sobel. New York: Weybright and Talley, 1974.

MLA-viite (8. p.)

Sobel, Robert. The Entrepreneurs: Explorations Within the American Business Tradition / by Robert Sobel. Weybright and Talley, 1974.