MANORAMA PUB. HOUSE. (1981). MANORAMA YEAR BOOK 1981. MANORAMA PRAKASHAN.
Chicago Style aipamenaMANORAMA PUB. HOUSE. MANORAMA YEAR BOOK 1981. KERLA,INDIA: MANORAMA PRAKASHAN, 1981.
MLA aipamenaMANORAMA PUB. HOUSE. MANORAMA YEAR BOOK 1981. MANORAMA PRAKASHAN, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.