(1984). Annual report 1983. Wageningen: IRLI.
Chicago Style aipamenaAnnual Report 1983. Wageningen: IRLI, 1984.
MLA aipamenaAnnual Report 1983. Wageningen: IRLI, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1984). Annual report 1983. Wageningen: IRLI.
Chicago Style aipamenaAnnual Report 1983. Wageningen: IRLI, 1984.
MLA aipamenaAnnual Report 1983. Wageningen: IRLI, 1984.