APA (7e ed.) Bronvermelding

University of the Philippines System. National Center for Transportation Studies. National Center for Transportation Studies. The Center.

Chicago (17e ed.) Bronvermelding

University of the Philippines System. National Center for Transportation Studies. National Center for Transportation Studies. Quezon City: The Center.

MLA (9e ed.) Bronvermelding

University of the Philippines System. National Center for Transportation Studies. National Center for Transportation Studies. The Center.

Let op: Deze citaties zijn niet altijd 100% accuraat.