Gaya APA
Kotler, P., Andreasen, A, R. (1991).
Strategic marketing for nonprofit organizations (4th.ed.).
Ney Jersey:
Prentice-Hall.
Gaya MLA
Kotler, Philip.., Andreasen, Alan, R.
"Strategic marketing for nonprofit organizations".
4th.ed.
Ney Jersey:
Prentice-Hall,
1991.
Text.