Joaquin, N. (1990). Jaime Ongpin, the enigma: A profile of the Filipino as manager. J.V. Ongpin Institute of Business and Government.
Čikaški stil citiranja (17. izdanje)Joaquin, Nick. Jaime Ongpin, the Enigma: A Profile of the Filipino as Manager. Makati: J.V. Ongpin Institute of Business and Government, 1990.
MLA način citiranja (9. izdanje)Joaquin, Nick. Jaime Ongpin, the Enigma: A Profile of the Filipino as Manager. J.V. Ongpin Institute of Business and Government, 1990.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.