APA (7e ed.) Bronvermelding

Ang, E. A., Reguyal, E., & Reyes, E. G. (1995). Establishment of a foundry specializing in the production of ductile cast iron. College of Engineering.

Chicago (17e ed.) Bronvermelding

Ang, Evelyn Abuan, Eric Reguyal, en Evangeline G. Reyes. Establishment of a Foundry Specializing in the Production of Ductile Cast Iron. Diliman, Quezon City: College of Engineering, 1995.

MLA (9e ed.) Bronvermelding

Ang, Evelyn Abuan, et al. Establishment of a Foundry Specializing in the Production of Ductile Cast Iron. College of Engineering, 1995.