Dyfyniad APA

snodgrass, M. M., & Wallace, L. T. (1977). Agriculture, economics, and resource management. Prentice- Hall of India Pvt Ltd.

Dyfyniad Arddull Chicago

snodgrass, Milton M., and L T. Wallace. Agriculture, Economics, and Resource Management. Newdelhi: Prentice- Hall of India Pvt Ltd, 1977.

Dyfyniad MLA

snodgrass, Milton M., and L T. Wallace. Agriculture, Economics, and Resource Management. Prentice- Hall of India Pvt Ltd, 1977.

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