Gaya APA

JAMES, P, R, A. (1996). COMUNICATION SKILLS FOR BUSINES ANAD PROFESSIONS . New Jersey: Prentice Hall.

Gaya MLA

JAMES, PAUL, R, AND. "COMUNICATION SKILLS FOR BUSINES ANAD PROFESSIONS". New Jersey: Prentice Hall, 1996. Buku PPS Manajemen.