APA
Peters G., . (1994). Benchmarking Customer Service. London: Pitman Publishing.
Chicago
Peters Glen, . 1994. Benchmarking Customer Service. London: Pitman Publishing.
Harvard
Peters G., . (1994). Benchmarking Customer Service. London: Pitman Publishing.
MLA
Peters Glen, . Benchmarking Customer Service. London: Pitman Publishing. 1994.