Cita APA

Roth, C. B. (1960). Treasury of Sure-Fire selling Tips.

Chicago Edition Citation

Roth, Charles B. Treasury of Sure-Fire Selling Tips. :, 1960.

Cita MLA

Roth, Charles B. Treasury of Sure-Fire Selling Tips. 1960.

Atenció: Aquestes cites poden no estar 100% correctes.