Gaya APA

Gottlieb, M., Hearly, W, J. (1990). Making deals : the business of negotiating . New York: New York Intitute of Finance.

Gaya MLA

Gottlieb, Marvin., Hearly, William, J.. "Making deals : the business of negotiating". New York: New York Intitute of Finance, 1990. Buku/Printed Material.