APA aipamena

Vavilor,Nicolay Ivanorich. (1997). Five continents. IPGRI.

Chicago Style aipamena

Vavilor,Nicolay Ivanorich. Five Continents. Rome: IPGRI, 1997.

MLA aipamena

Vavilor,Nicolay Ivanorich. Five Continents. IPGRI, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.