APA (7e ed.) Bronvermelding
Hybels, S. (1995). Communicating effectively (4th ed.). McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Hybels, Saundra. Communicating Effectively. 4th ed. New York: McGraw-Hill, 1995.
MLA (9e ed.) Bronvermelding
Hybels, Saundra. Communicating Effectively. 4th ed. McGraw-Hill, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.