Gaya APA

Gremier, V, A, Z, M, J, B, D, D. (2009). Services Marketing : Fifth edition, Integrating Customer focus across the firm (15). New York: McGraw-Hill.

Gaya MLA

Gremier, Valarie, A., Zeithami,, Mary, Jo., Bitner,, Dwayne, D.. "Services Marketing : Fifth edition, Integrating Customer focus across the firm". 15 New York: McGraw-Hill, 2009. Text.