APA (7e ed.) Bronvermelding

Carpio, A. J. (1997). Open skies and development. IN Crosscurrents [column]. Manila Times.

Chicago (17e ed.) Bronvermelding

Carpio, Antonio J. "Open Skies and Development. IN Crosscurrents [column]." Manila Times 1997.

MLA (9e ed.) Bronvermelding

Carpio, Antonio J. "Open Skies and Development. IN Crosscurrents [column]." Manila Times, 1997.

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