Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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