Παραπομπή σε μορφή APA (7η εκδ.)

Abad, G. R. I., Alcasabas, R., Cariaga, V. P., & Irong, E. C. (1999). A Quality Control Study on Superior Gas and Equipment Co., Inc. College of Engineering.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Abad, George R. II, Ramon Alcasabas, Vincent Paul Cariaga, και Elton Cris Irong. A Quality Control Study on Superior Gas and Equipment Co., Inc. Diliman, Quezon City: College of Engineering, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Abad, George R. II, et al. A Quality Control Study on Superior Gas and Equipment Co., Inc. College of Engineering, 1999.