Style de citation APA (7e éd.)

Catibog, E., Lainez, L., & Regalado, M. (1999). A Systems study of Jose S. Galang and Sons Concrete Products, Inc. College of Engineering.

Style de citation Chicago (17e éd.)

Catibog, Eliza, Leon Lainez, et Mitch Regalado. A Systems Study of Jose S. Galang and Sons Concrete Products, Inc. Diliman, Quezon City: College of Engineering, 1999.

Style de citation MLA (9e éd.)

Catibog, Eliza, et al. A Systems Study of Jose S. Galang and Sons Concrete Products, Inc. College of Engineering, 1999.