ADAIR JOHN. (2002). EFFECTIVE COMMUNICATION. JAICO PUBLISHING HOUSE.
Chicago Style aipamenaADAIR JOHN. EFFECTIVE COMMUNICATION. MUMBAI: JAICO PUBLISHING HOUSE, 2002.
MLA aipamenaADAIR JOHN. EFFECTIVE COMMUNICATION. JAICO PUBLISHING HOUSE, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.