Παραπομπή APA

Ravindrakumar, G. (1990). Charnockite- Khondalite belt & Tertiary-Quaternary sequences of Southertn Kerala. GSI.

Παραπομπή Chicago Style

Ravindrakumar, G.R. Charnockite- Khondalite Belt & Tertiary-Quaternary Sequences of Southertn Kerala. Bangalore: GSI, 1990.

Παραπομπή MLA

Ravindrakumar, G.R. Charnockite- Khondalite Belt & Tertiary-Quaternary Sequences of Southertn Kerala. GSI, 1990.