Gaya APA

JOHNSTON, Mark W., MARSHAL, Greg W.. (2008). Relationship Selling (2nd). New York: The McGraw-Hill Companies.

Gaya Chicago

JOHNSTON, Mark W., MARSHAL, Greg W.. Relationship Selling. 2nd New York: The McGraw-Hill Companies, 2008. Text.

Gaya MLA

JOHNSTON, Mark W., MARSHAL, Greg W.. Relationship Selling. 2nd New York: The McGraw-Hill Companies, 2008. Text.

Gaya Turabian

JOHNSTON, Mark W., MARSHAL, Greg W.. Relationship Selling. 2nd New York: The McGraw-Hill Companies, 2008. Print.