Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.