Dyfyniad APA

Balakrishnan, M., & Alexander, K. M. (1988). Environmental issues: Problems and solutions. University of Kerala.

Dyfyniad Arddull Chicago

Balakrishnan, M., and K. M. Alexander. Environmental Issues: Problems and Solutions. Thiruvananthapuram: University of Kerala, 1988.

Dyfyniad MLA

Balakrishnan, M., and K. M. Alexander. Environmental Issues: Problems and Solutions. University of Kerala, 1988.

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