Lua APA (7ú heag.)
Snyder, L. C. (1985). Gardening in the upper Midwest (2nd ed.). University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)
Snyder, Leon C. Gardening in the Upper Midwest. 2nd ed. Minneapolis: University of Minnesota Press, 1985.
Lua MLA (9ú heag.)
Snyder, Leon C. Gardening in the Upper Midwest. 2nd ed. University of Minnesota Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.