Calvert, P. J. (1997). Measuring Service Quality: From Theory into Practice.
Citazione stile Chigago Style (17a edizione)Calvert, Philip J. Measuring Service Quality: From Theory into Practice. 1997.
Citatione MLA (9a ed.)Calvert, Philip J. Measuring Service Quality: From Theory into Practice. 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.