Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.