Παραπομπή APA

Warner, W. L., & Abergglen, J. C. (1955). Big business leaders in America.

Παραπομπή Chicago Style

Warner, W. Loyd, και James C. Abergglen. Big Business Leaders in America. 1955.

Παραπομπή MLA

Warner, W. Loyd, και James C. Abergglen. Big Business Leaders in America. 1955.