Citazione APA

Singh, K., & Purohit, S. (1995). Plant productivity under environmental stress. Agro Botanical Publishers.

Stile di citazione Chicago

Singh, Karan, e S.S Purohit. Plant Productivity Under Environmental Stress. Bikaner: Agro Botanical Publishers, 1995.

Citazione MLA

Singh, Karan, e S.S Purohit. Plant Productivity Under Environmental Stress. Agro Botanical Publishers, 1995.