APA (7e ed.) Bronvermelding

(1993). Philippine transportation and communications directory, 1992-1993. Kilter Enterprises.

Chicago (17e ed.) Bronvermelding

Philippine Transportation and Communications Directory, 1992-1993. Mandaluyong, Metro Manila: Kilter Enterprises, 1993.

MLA (9e ed.) Bronvermelding

Philippine Transportation and Communications Directory, 1992-1993. Kilter Enterprises, 1993.

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