Citazione Stile APA (7a Edizione)

Ocampo, S., Daway, R. D., Panergo, M., & Rodriguez, F. (2004). A Methods engineering study on Union Refinery Corporation. College of Engineering.

Citazione stile Chigago Style (17a edizione)

Ocampo, Shierly, Rhey David Daway, Mildred Panergo, e Federico Rodriguez. A Methods Engineering Study on Union Refinery Corporation. Diliman, Quezon City: College of Engineering, 2004.

Citatione MLA (9a ed.)

Ocampo, Shierly, et al. A Methods Engineering Study on Union Refinery Corporation. College of Engineering, 2004.