Dyfyniad APA

McGarry, M. J., & Schmitz, A. (1992). The World Grain Trade: Grain Marketing, Institutions, and Policies. Westview Press.

Dyfyniad Arddull Chicago

McGarry, Michael J., and Andrew Schmitz. The World Grain Trade: Grain Marketing, Institutions, and Policies. Boulder: Westview Press, 1992.

Dyfyniad MLA

McGarry, Michael J., and Andrew Schmitz. The World Grain Trade: Grain Marketing, Institutions, and Policies. Westview Press, 1992.

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