Gaya APA
kotler, A, R, A, P. (2007).
Strategi marketing for nonprofit organizations (Seventh edition).
America:
Pearson prentice hall.
Gaya MLA
kotler, Alan, R., Andreasen, Philip.
"Strategi marketing for nonprofit organizations".
Seventh edition
America:
Pearson prentice hall,
2007.
Text.