(1984). Research report <1982-83>, <1983-84> <1984-85>. Kerala agricultural University.
Chicago Style aipamenaResearch Report <1982-83>, <1983-84> <1984-85>. Trichur: Kerala agricultural University, 1984.
MLA aipamenaResearch Report <1982-83>, <1983-84> <1984-85>. Kerala agricultural University, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.