GAMBLE, T. K. Comunication work. Randon House.
Chicago Style aipamenaGAMBLE, Teri Kival. Comunication Work. Randon House.
MLA aipamenaGAMBLE, Teri Kival. Comunication Work. Randon House.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena