APA (7e ed.) Bronvermelding

Arellano, A., Buñag, S., & Rivera, C. (1994). A Feasibility Study on Shell Button Manufacturing. College of Engineering.

Chicago (17e ed.) Bronvermelding

Arellano, Angelo, Sylvi Buñag, en Charit Rivera. A Feasibility Study on Shell Button Manufacturing. Diliman, Quezon City: College of Engineering, 1994.

MLA (9e ed.) Bronvermelding

Arellano, Angelo, et al. A Feasibility Study on Shell Button Manufacturing. College of Engineering, 1994.