Geetha Doctor. (1993). Our world in colour Kerala. The Guidebook Company.
Chicago Style aipamenaGeetha Doctor. Our World in Colour Kerala. Hong Kong: The Guidebook Company, 1993.
MLA aipamenaGeetha Doctor. Our World in Colour Kerala. The Guidebook Company, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.