Gaya APA

DENTON, D. (1992). THE SERVICE TRAINER HANDBOOK: MANAGING SERVICE BUSINESSES IN THE 1990'S . New York: MC GRAW-HILL.

Gaya MLA

DENTON, D.KEITH. "THE SERVICE TRAINER HANDBOOK: MANAGING SERVICE BUSINESSES IN THE 1990'S". New York: MC GRAW-HILL, 1992. .