Gupta, G. (2011). Marketing of Services: Quality dimensions. New Century Publications.
Citazione stile Chigago Style (17a edizione)Gupta, Garima. Marketing of Services: Quality Dimensions. Delhi: New Century Publications, 2011.
Citatione MLA (9a ed.)Gupta, Garima. Marketing of Services: Quality Dimensions. New Century Publications, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.