Παραπομπή APA
Normann, R. (2000). Service management: Strategy and leadership in service business (3rd ed.). Chichester: Wiley.
Παραπομπή Chicago StyleNormann, Richard. Service Management: Strategy and Leadership in Service Business. 3rd ed. Chichester: Wiley, 2000.
Παραπομπή MLANormann, Richard. Service Management: Strategy and Leadership in Service Business. 3rd ed. Chichester: Wiley, 2000.
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