Agarwal,Chetan, & Vijay Sharma. (2023). Research Methodology In Georaphy. Arjun Publishing.
Lua i Stíl Chicago (17ú heag.)Agarwal,Chetan, agus Vijay Sharma. Research Methodology In Georaphy. New Delhi: Arjun Publishing, 2023.
Lua MLA (9ú heag.)Agarwal,Chetan, agus Vijay Sharma. Research Methodology In Georaphy. Arjun Publishing, 2023.