Ravindrakumar, G. (1990). Charnockite- Khondalite belt & Tertiary-Quaternary sequences of Southertn Kerala. GSI.
Chicago Style aipamenaRavindrakumar, G.R. Charnockite- Khondalite Belt & Tertiary-Quaternary Sequences of Southertn Kerala. Bangalore: GSI, 1990.
MLA aipamenaRavindrakumar, G.R. Charnockite- Khondalite Belt & Tertiary-Quaternary Sequences of Southertn Kerala. GSI, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.