APA-referens

Ravindrakumar,G.R.,et al. (1990). Charnokite -Khondalite belt and tertiary -Quaternary sequences of southern Kerala: Excursion guide. GSI.

Chicago-stil citat

Ravindrakumar,G.R.,et al. Charnokite -Khondalite Belt and Tertiary -Quaternary Sequences of Southern Kerala: Excursion Guide. Bangalore: GSI, 1990.

MLA-referens

Ravindrakumar,G.R.,et al. Charnokite -Khondalite Belt and Tertiary -Quaternary Sequences of Southern Kerala: Excursion Guide. GSI, 1990.

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