APA aipamena

PETERS GLEN. (1994). BENCHMARKING CUSTOMER SERVICE. PITMAN PUBLICATIONS.

Chicago Style aipamena

PETERS GLEN. BENCHMARKING CUSTOMER SERVICE. LONDON: PITMAN PUBLICATIONS, 1994.

MLA aipamena

PETERS GLEN. BENCHMARKING CUSTOMER SERVICE. PITMAN PUBLICATIONS, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.