Cita APA (7th ed.)

Parsons, M., & Dumsang, L. (1988). From plant/tree bark fiber to pulp to handmade paper. Duntog Foundation.

Cita Chicago (17th ed.)

Parsons, Michael, i Leonida Dumsang. From Plant/tree Bark Fiber to Pulp to Handmade Paper. Baguio City: Duntog Foundation, 1988.

Cita MLA (9th ed.)

Parsons, Michael, i Leonida Dumsang. From Plant/tree Bark Fiber to Pulp to Handmade Paper. Duntog Foundation, 1988.