Dyfyniad APA

Lal,R B. (1990). Principles and practice of range management. International Book Distributers.

Dyfyniad Arddull Chicago

Lal,R B. Principles and Practice of Range Management. Dehradun: International Book Distributers, 1990.

Dyfyniad MLA

Lal,R B. Principles and Practice of Range Management. International Book Distributers, 1990.

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