Huelar, C. . I. (1999). Seafaring industry contributes billions to economy - Marina. Philippine Star.
Chicago (17e ed.) BronvermeldingHuelar, Carmela I. "Seafaring Industry Contributes Billions to Economy - Marina." Philippine Star 1999.
MLA (9e ed.) BronvermeldingHuelar, Carmela I. "Seafaring Industry Contributes Billions to Economy - Marina." Philippine Star, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.