(1994). വിശ്വവിജ്ഞാന കോശം: Vol.1-4. State Institute of Encycyclopaedic publication.
Chicago Edition Citationവിശ്വവിജ്ഞാന കോശം: Vol.1-4. Thiruvananthapuram: State Institute of Encycyclopaedic publication, 1994.
MLA Edition Citationവിശ്വവിജ്ഞാന കോശം: Vol.1-4. State Institute of Encycyclopaedic publication, 1994.
Warning: These citations may not always be 100% accurate.