Sandy, C., & Chuck Sandy; Curtis Kelly; Thomas Healy; series consultant: Neil J. Anderson. (2010). Active skills for communication. Boston: Heinle Cengage Learning.
Chicago Style aipamenaSandy, Chuck, và Chuck Sandy; Curtis Kelly; Thomas Healy; series consultant: Neil J. Anderson. Active Skills for Communication. Boston: Heinle Cengage Learning, 2010.
MLA aipamenaSandy, Chuck, và Chuck Sandy; Curtis Kelly; Thomas Healy; series consultant: Neil J. Anderson. Active Skills for Communication. Boston: Heinle Cengage Learning, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.