Sharma, B. D. (1999). Differential equations. Kedar Nath Ram Nath.
Chicagoスタイル(17版)引用形式Sharma, Bhu Dev. Differential Equations. New Delhi: Kedar Nath Ram Nath, 1999.
MLA(8版)引用形式Sharma, Bhu Dev. Differential Equations. Kedar Nath Ram Nath, 1999.
警告: この引用は必ずしも正確ではありません.