APA (7e ed.) Bronvermelding

Abrera, M. B. L., & Dipasupil, E. G. (2018). A Banaue story: Restoring a world heritage treasure. Universal Harvester, Inc.

Chicago (17e ed.) Bronvermelding

Abrera, Ma. Bernadette L., en Ester G. Dipasupil. A Banaue Story: Restoring a World Heritage Treasure. Quezon City: Universal Harvester, Inc, 2018.

MLA (9e ed.) Bronvermelding

Abrera, Ma. Bernadette L., en Ester G. Dipasupil. A Banaue Story: Restoring a World Heritage Treasure. Universal Harvester, Inc, 2018.