Pearson, N. (1972). The effect of urbanization on agricultural land. University of Guelph, Centre for Resources Development.
Lua i Stíl Chicago (17ú heag.)Pearson, Norman. The Effect of Urbanization on Agricultural Land. [Guelph, Ont.]: University of Guelph, Centre for Resources Development, 1972.
Lua MLA (8ú heag.)Pearson, Norman. The Effect of Urbanization on Agricultural Land. University of Guelph, Centre for Resources Development, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.