APA (7e ed.) Bronvermelding

De Celis, E. A., De Guzman, L. A., & Javier, H. (2000). A methods engineering study on Goldwin Manufacturing Laboratories Corporation. College of Engineering.

Chicago (17e ed.) Bronvermelding

De Celis, Excel Ann, Lorie Ann De Guzman, en Harold Javier. A Methods Engineering Study on Goldwin Manufacturing Laboratories Corporation. Diliman, Quezon City: College of Engineering, 2000.

MLA (9e ed.) Bronvermelding

De Celis, Excel Ann, et al. A Methods Engineering Study on Goldwin Manufacturing Laboratories Corporation. College of Engineering, 2000.