Sinha, V. N. P., & Mandal, R. B. (1979). Dimensions in geography. Associated Book Agency.
Lua i Stíl Chicago (17ú heag.)Sinha, V. N. P., agus R. B. Mandal. Dimensions in Geography. Patna: Associated Book Agency, 1979.
Lua MLA (8ú heag.)Sinha, V. N. P., agus R. B. Mandal. Dimensions in Geography. Associated Book Agency, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.