Belmonte, B. G., & Cruz, I. [. (1990). Jimmy Ongpin, the book [review of] Jaime Ongpin the enigma. IN Pebbles [column]: A profile of the Filipino as manager. Philippine Star.
Chicago-referens (17:e uppl.)Belmonte, Betty Go, och Isagani [Reviewer] Cruz. "Jimmy Ongpin, the Book [review of] Jaime Ongpin the Enigma. IN Pebbles [column]: A Profile of the Filipino as Manager." Philippine Star 1990.
MLA-referens (9:e uppl.)Belmonte, Betty Go, och Isagani [Reviewer] Cruz. "Jimmy Ongpin, the Book [review of] Jaime Ongpin the Enigma. IN Pebbles [column]: A Profile of the Filipino as Manager." Philippine Star, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.