APA (7e ed.) Bronvermelding

Zerrudo, E. B., & Pama, H. O. (2022). The Vigan heritage charter: Toward a value-based interdisciplinary approach to heritage development. The Vigan heritage charter..

Chicago (17e ed.) Bronvermelding

Zerrudo, Eric B., en Hermel O. Pama. "The Vigan Heritage Charter: Toward a Value-based Interdisciplinary Approach to Heritage Development." The Vigan Heritage Charter. 2022.

MLA (9e ed.) Bronvermelding

Zerrudo, Eric B., en Hermel O. Pama. "The Vigan Heritage Charter: Toward a Value-based Interdisciplinary Approach to Heritage Development." The Vigan Heritage Charter., 2022.