Cita APA (7th ed.)

Soriano, M. A., & Castro, P. P. M. (2012). Assessment of the engineering aspects of the Ifugao rice terraces. Philippine Engineering Journal.

Cita Chicago (17th ed.)

Soriano, Mario A., i Peter Paul M. Castro. "Assessment of the Engineering Aspects of the Ifugao Rice Terraces." Philippine Engineering Journal 2012.

Cita MLA (9th ed.)

Soriano, Mario A., i Peter Paul M. Castro. "Assessment of the Engineering Aspects of the Ifugao Rice Terraces." Philippine Engineering Journal, 2012.