APA
Bautista A. S., Gelido R. T., . (2020). Principles of Marketing: In the 21st Century. Malabon City: Mutya Publishing House Inc.
Chicago
Bautista Adonis S, Gelido Reynaldo T, . 2020. Principles of Marketing: In the 21st Century. Malabon City: Mutya Publishing House Inc.
Harvard
Bautista A. S., Gelido R. T., . (2020). Principles of Marketing: In the 21st Century. Malabon City: Mutya Publishing House Inc.
MLA
Bautista Adonis S, Gelido Reynaldo T, . Principles of Marketing: In the 21st Century. Malabon City: Mutya Publishing House Inc. 2020.