Cita APA (7th ed.)

FLEISCHER J. (2002). COMPLETE GUIDE TO CUSTOMER SUPPORT. CMP BOOK.

Cita Chicago (17th ed.)

FLEISCHER J. COMPLETE GUIDE TO CUSTOMER SUPPORT. NEW YORK: CMP BOOK, 2002.

Cita MLA (9th ed.)

FLEISCHER J. COMPLETE GUIDE TO CUSTOMER SUPPORT. CMP BOOK, 2002.