APA
Angelita Ong Camilar-Serrano, . (2016). Principles of marketing. Intramuros, Manila: Unlimited books library services & publishing INC.
Chicago
Angelita Ong Camilar-Serrano, . 2016. Principles of marketing. Intramuros, Manila: Unlimited books library services & publishing INC.
Harvard
Angelita Ong Camilar-Serrano, . (2016). Principles of marketing. Intramuros, Manila: Unlimited books library services & publishing INC.
MLA
Angelita Ong Camilar-Serrano, . Principles of marketing. Intramuros, Manila: Unlimited books library services & publishing INC. 2016.