APA aipamena

Creedy, R. F. (1980). Time is money: A guide to selling your professional services. Dutton.

Chicago Style aipamena

Creedy, Richard F. Time Is Money: A Guide to Selling Your Professional Services. New York: Dutton, 1980.

MLA aipamena

Creedy, Richard F. Time Is Money: A Guide to Selling Your Professional Services. Dutton, 1980.