Simmons, H. (1953). How to get ahead in modern business. Prentice-Hall.
Cita Chicago (17th ed.)Simmons, Harry. How to Get Ahead in Modern Business. New York: Prentice-Hall, 1953.
Cita MLA (9th ed.)Simmons, Harry. How to Get Ahead in Modern Business. Prentice-Hall, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.