Cita APA (7a ed.)

Dela Peña, A. S. (1989). Management advisory services: Analytical approach and process. National Book Store.

Cita Chicago Style (17a ed.)

Dela Peña, Arsenio S. Management Advisory Services: Analytical Approach and Process. Manila: National Book Store, 1989.

Cita MLA (9a ed.)

Dela Peña, Arsenio S. Management Advisory Services: Analytical Approach and Process. National Book Store, 1989.