APA aipamena

Không rõ. (2002). Bridges not walls: A book about interpersonal communication. McGraw-Hill.

Chicago Style aipamena

Không rõ. Bridges Not Walls: A Book About Interpersonal Communication. McGraw-Hill, 2002.

MLA aipamena

Không rõ. Bridges Not Walls: A Book About Interpersonal Communication. McGraw-Hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.