Gopez, D. P., & Cabrera, H. P. (2000). Marketing plan. University of the Philippines Diliman Extension Program in Pampanga.
Chicago Style aipamenaGopez, Donavie P., and Henry P. Cabrera. Marketing Plan. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2000.
MLA aipamenaGopez, Donavie P., and Henry P. Cabrera. Marketing Plan. University of the Philippines Diliman Extension Program in Pampanga, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.