Bonzini, C. (1993). et al.
Chicago Style aipamenaBonzini, C. Et Al. World Scientific, Singapore, 1993.
MLA aipamenaBonzini, C. Et Al. 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
Bonzini, C. (1993). et al.
Chicago Style aipamenaBonzini, C. Et Al. World Scientific, Singapore, 1993.
MLA aipamenaBonzini, C. Et Al. 1993.