Dyfyniad APA

ISSS. (2002). Fundamentals of soil science. Indian Agricultural Research Institute.

Dyfyniad Arddull Chicago

ISSS. Fundamentals of Soil Science. New Delhi: Indian Agricultural Research Institute, 2002.

Dyfyniad MLA

ISSS. Fundamentals of Soil Science. Indian Agricultural Research Institute, 2002.

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