APA
HABERER J., . (2004). CUSTOMER SERVICE IN THE INFORMATION AGE :ACOMMON SENSE APPROACH TO HIGH -TECH HELP. U.S.A: AXZO PRESS.
Chicago
HABERER JOANN, . 2004. CUSTOMER SERVICE IN THE INFORMATION AGE :ACOMMON SENSE APPROACH TO HIGH -TECH HELP. U.S.A: AXZO PRESS.
Harvard
HABERER J., . (2004). CUSTOMER SERVICE IN THE INFORMATION AGE :ACOMMON SENSE APPROACH TO HIGH -TECH HELP. U.S.A: AXZO PRESS.
MLA
HABERER JOANN, . CUSTOMER SERVICE IN THE INFORMATION AGE :ACOMMON SENSE APPROACH TO HIGH -TECH HELP. U.S.A: AXZO PRESS. 2004.