APA
Kumar S., . (2022). Textbook of Geology. Chennai: Sonali.
Chicago
Kumar Sunil, . 2022. Textbook of Geology. Chennai: Sonali.
Harvard
Kumar S., . (2022). Textbook of Geology. Chennai: Sonali.
MLA
Kumar Sunil, . Textbook of Geology. Chennai: Sonali. 2022.