Cita APA

Tack, A. (1993). Thousand ways to increase your sales.

Chicago Edition Citation

Tack, Alfred. Thousand Ways to Increase Your Sales. Mandarin Paperbacks:London, 1993.

Cita MLA

Tack, Alfred. Thousand Ways to Increase Your Sales. 1993.

Atenció: Aquestes cites poden no estar 100% correctes.