Gaya APA
Curtis, D, B. et al (1996).
Komunikasi bisnis dan profesional (business and professional communication) .
Yogyakarta:
PT Remaja Rosdakarya.
Gaya MLA
Curtis, Dan, B.. et al.
"Komunikasi bisnis dan profesional (business and professional communication)".
Yogyakarta:
PT Remaja Rosdakarya,
1996.
Text.