APA aipamena

Agriculture, Ecosystem & Environment: 2002 [Đĩa CD-ROM]. :.

Chicago Style aipamena

Agriculture, Ecosystem & Environment: 2002 [Đĩa CD-ROM]. :.

MLA aipamena

Agriculture, Ecosystem & Environment: 2002 [Đĩa CD-ROM]. :.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.