Παραπομπή σε μορφή APA (7η εκδ.)

Constantino, V. M., & Mananghaya, R. (2004). An evaluation of the impact of moving customer service online: The e-GSIS experience. University of the Philippines Diliman.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Constantino, Vilma M., και Rufino Mananghaya. An Evaluation of the Impact of Moving Customer Service Online: The E-GSIS Experience. Quezon City: University of the Philippines Diliman, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Constantino, Vilma M., και Rufino Mananghaya. An Evaluation of the Impact of Moving Customer Service Online: The E-GSIS Experience. University of the Philippines Diliman, 2004.