APA aipamena

COTTAM ANGELA. (1999). MANAGEMENT AND MARKETING OF SERVICES (2ND.). BUTTERWORTH-HEINEMANN.

Chicago Style aipamena

COTTAM ANGELA. MANAGEMENT AND MARKETING OF SERVICES. 2ND. LONDON: BUTTERWORTH-HEINEMANN, 1999.

MLA aipamena

COTTAM ANGELA. MANAGEMENT AND MARKETING OF SERVICES. 2ND. BUTTERWORTH-HEINEMANN, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.