Gaya APA
Fitzsimmons, J, A. et al (2014).
Service management: operations, strategy, information technology (8th Ed.).
New York:
McGraw-Hill Education.
Gaya MLA
Fitzsimmons, James, A.. et al.
"Service management: operations, strategy, information technology".
8th Ed.
New York:
McGraw-Hill Education,
2014.
Text.