Rao, V. U. B., & Vidyanath, V. (1977). Physical geography, geography of Andhra Pradesh, history and culture and civics (New impression.). Government of Andhra Pradesh.
Citazione stile Chigago Style (17a edizione)Rao, V. U. Bhaskar, e V. Vidyanath. Physical Geography, Geography of Andhra Pradesh, History and Culture and Civics. New impression. Hyderabad: Government of Andhra Pradesh, 1977.
Citatione MLA (9a ed.)Rao, V. U. Bhaskar, e V. Vidyanath. Physical Geography, Geography of Andhra Pradesh, History and Culture and Civics. New impression. Government of Andhra Pradesh, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.