II, R. L. W. Understanding interpersonal communication. Harper Collins College Publ.
Chicago Style aipamenaII, Richard L. Weaver. Understanding Interpersonal Communication. Harper Collins College Publ.
MLA aipamenaII, Richard L. Weaver. Understanding Interpersonal Communication. Harper Collins College Publ.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.