APA引文

Dwivedi, A., & Gupta, G. (1993). Afforestation of arid lands. Scientific.

Chicago Style (17th ed.) Citation

Dwivedi, A.P, and G.N Gupta. Afforestation of Arid Lands. Jodhpur: Scientific, 1993.

MLA引文

Dwivedi, A.P, and G.N Gupta. Afforestation of Arid Lands. Scientific, 1993.