Gaya APA
Donnelly, James H.. (1981).
Marketing of services .
America:
American Marketing Association.
Gaya Chicago
Donnelly, James H..
Marketing of services.
America:
American Marketing Association,
1981.
Text.
Gaya MLA
Donnelly, James H..
Marketing of services.
America:
American Marketing Association,
1981.
Text.
Gaya Turabian
Donnelly, James H..
Marketing of services.
America:
American Marketing Association,
1981.
Print.