Singh, S. (2011). Geography for State Civil Services and other competitive examinations. Mc Graw Hill.
シカゴスタイル引用形Singh, Surender. Geography for State Civil Services and Other Competitive Examinations. New Delhi: Mc Graw Hill, 2011.
MLA引用形式Singh, Surender. Geography for State Civil Services and Other Competitive Examinations. Mc Graw Hill, 2011.
警告: この引用は必ずしも正確ではありません.