Gaya APA
Brown, S, W. et al (1991).
SERVIE QUALITY : Multidisciplinary and Multinational Perspectives .
New York:
LEXINGTON BOOKS.
Gaya MLA
Brown, Stepen, W.. et al.
"SERVIE QUALITY : Multidisciplinary and Multinational Perspectives".
New York:
LEXINGTON BOOKS,
1991.
Text.