Gaya APA
NORMANN , richard. (1991).
Service Management .
England:
British Library.
Gaya Chicago
NORMANN , richard.
Service Management.
England:
British Library,
1991.
Text.
Gaya MLA
NORMANN , richard.
Service Management.
England:
British Library,
1991.
Text.
Gaya Turabian
NORMANN , richard.
Service Management.
England:
British Library,
1991.
Print.