APA aipamena

BUCKNER LEORY M. (1978). CUSTOMER SERVICES. MCGRAW-HILL.

Chicago Style aipamena

BUCKNER LEORY M. CUSTOMER SERVICES. NEW YORK: MCGRAW-HILL, 1978.

MLA aipamena

BUCKNER LEORY M. CUSTOMER SERVICES. MCGRAW-HILL, 1978.