(2002). Effective: Socializing.
Chicago Style aipamenaEffective: Socializing. 2002.
MLA aipamenaEffective: Socializing. 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(2002). Effective: Socializing.
Chicago Style aipamenaEffective: Socializing. 2002.
MLA aipamenaEffective: Socializing. 2002.