SINHA P. K.,SAHOO S.C. (1994). SERVICES MARKETING. HIMALAYA PUB.
Chicago Style aipamenaSINHA P. K.,SAHOO S.C. SERVICES MARKETING. BOMBAY: HIMALAYA PUB, 1994.
MLA aipamenaSINHA P. K.,SAHOO S.C. SERVICES MARKETING. HIMALAYA PUB, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.