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.
Citazione stile Chigago Style (17a edizione)Constantino, Vilma M., e Rufino Mananghaya. An Evaluation of the Impact of Moving Customer Service Online: The E-GSIS Experience. Quezon City: University of the Philippines Diliman, 2004.
Citatione MLA (9a ed.)Constantino, Vilma M., e Rufino Mananghaya. An Evaluation of the Impact of Moving Customer Service Online: The E-GSIS Experience. University of the Philippines Diliman, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.