APA (7e ed.) Bronvermelding

Bautista, R. P. (1999). Apayao in focus: Its demographics and socio-economic profile. National Statistics Office.

Chicago (17e ed.) Bronvermelding

Bautista, Rosalinda P. Apayao in Focus: Its Demographics and Socio-economic Profile. Manila: National Statistics Office, 1999.

MLA (9e ed.) Bronvermelding

Bautista, Rosalinda P. Apayao in Focus: Its Demographics and Socio-economic Profile. National Statistics Office, 1999.