APA (7e ed.) Bronvermelding

Fernandez, R. A. (2013). The nature wonders nurtured by Palawan's underground river. Agriculture.

Chicago (17e ed.) Bronvermelding

Fernandez, Rudy A. "The Nature Wonders Nurtured by Palawan's Underground River." Agriculture 2013.

MLA (9e ed.) Bronvermelding

Fernandez, Rudy A. "The Nature Wonders Nurtured by Palawan's Underground River." Agriculture, 2013.

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