Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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