ജീ കൃഷ്ണപിള്ള & G Krishna Pillai. (1963). വിജ്ഞാനവീഥി (2nd (1st 1961).). Vidyarthi Mithram.
Chicago Edition Citationജീ കൃഷ്ണപിള്ള and G Krishna Pillai. വിജ്ഞാനവീഥി. 2nd (1st 1961). Kottayam: Vidyarthi Mithram, 1963.
MLA Edition Citationജീ കൃഷ്ണപിള്ള and G Krishna Pillai. വിജ്ഞാനവീഥി. 2nd (1st 1961). Vidyarthi Mithram, 1963.
Warning: These citations may not always be 100% accurate.