Παραπομπή σε μορφή APA (7η εκδ.)

Soriano, M. A. J., & Castro, P. P. M. Assessment of the engineering aspects of the Ifugao Rice Terraces. Philippine Engineering Journal.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Soriano, Mark A. Jr, και Peter Paul M. Castro. "Assessment of the Engineering Aspects of the Ifugao Rice Terraces." Philippine Engineering Journal .

Παραπομπή σε μορφή MLA (9th εκδ.)

Soriano, Mark A. Jr, και Peter Paul M. Castro. "Assessment of the Engineering Aspects of the Ifugao Rice Terraces." Philippine Engineering Journal, .