APA (7th ed.) Citation

Villanueva, R., & Escresa, A. L. (2012). Call center minimum standard guide. DZUP.

Chicago Style (17th ed.) Citation

Villanueva, Raymund, and Anna Leah Escresa. Call Center Minimum Standard Guide. Quezon City: DZUP, 2012.

MLA (9th ed.) Citation

Villanueva, Raymund, and Anna Leah Escresa. Call Center Minimum Standard Guide. DZUP, 2012.