Gaya APA
Gross, Leroy. (1987).
PHONE POWER : Telephone Selling and Prospecting .
New York:
New York Institute of Finance.
Gaya Chicago
Gross, Leroy.
PHONE POWER : Telephone Selling and Prospecting.
New York:
New York Institute of Finance,
1987.
Text.
Gaya MLA
Gross, Leroy.
PHONE POWER : Telephone Selling and Prospecting.
New York:
New York Institute of Finance,
1987.
Text.
Gaya Turabian
Gross, Leroy.
PHONE POWER : Telephone Selling and Prospecting.
New York:
New York Institute of Finance,
1987.
Print.