Gaya APA

Gretz, Karl F., Drozdeck, Steven R.. (1990). Consultative selling techniques for financial professionals . New York: New York Institute of Finance.

Gaya Chicago

Gretz, Karl F., Drozdeck, Steven R.. Consultative selling techniques for financial professionals. New York: New York Institute of Finance, 1990. Text.

Gaya MLA

Gretz, Karl F., Drozdeck, Steven R.. Consultative selling techniques for financial professionals. New York: New York Institute of Finance, 1990. Text.

Gaya Turabian

Gretz, Karl F., Drozdeck, Steven R.. Consultative selling techniques for financial professionals. New York: New York Institute of Finance, 1990. Print.