Ritesh Kumar & Sujit Kumar. (2013). Upkar's UGC NET/JRF/SET Geography (papaer II &III ) (2 nd ed.). Upkar Prakasan.
Chicago Edition CitationRitesh Kumar i Sujit Kumar. Upkar's UGC NET/JRF/SET Geography (papaer II &III ). 2 nd ed. Agra: Upkar Prakasan, 2013.
Cita MLARitesh Kumar i Sujit Kumar. Upkar's UGC NET/JRF/SET Geography (papaer II &III ). 2 nd ed. Upkar Prakasan, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.