Dwivedi, A., & Gupta, G. (1993). Afforestation of arid lands. Scientific.
Chicagoスタイル(17版)引用形式Dwivedi, A.P, , G.N Gupta. Afforestation of Arid Lands. Jodhpur: Scientific, 1993.
MLA(9版)引用形式Dwivedi, A.P, , G.N Gupta. Afforestation of Arid Lands. Scientific, 1993.
警告: この引用は必ずしも正確ではありません.