Dyfyniad APA
Snyder, L. C. (1985). Gardening in the upper Midwest (2nd ed.). University of Minnesota Press.
Dyfyniad Arddull Chicago
Snyder, Leon C. Gardening in the Upper Midwest. 2nd ed. Minneapolis: University of Minnesota Press, 1985.
Dyfyniad MLA
Snyder, Leon C. Gardening in the Upper Midwest. 2nd ed. University of Minnesota Press, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.