APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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