Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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