Παραπομπή σε μορφή APA (7η εκδ.)

Cleto, R. B., Dehn, C. J., & Padilla, H. J. (1986). The Ilocos and Cordillera provinces: A general physical and socio-economic profile. Katinnulong Daguiti Umili iti Amianan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cleto, Romeo B., Christoph J. Dehn, και Hilario J. Padilla. The Ilocos and Cordillera Provinces: A General Physical and Socio-economic Profile. Baguio City: Katinnulong Daguiti Umili iti Amianan, 1986.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cleto, Romeo B., et al. The Ilocos and Cordillera Provinces: A General Physical and Socio-economic Profile. Katinnulong Daguiti Umili iti Amianan, 1986.