Copeland, R. M. (1867). Country life: A handbook of agriculture, horticulture, and landscape gardening (6th ed.). O. Judd and company.
Chicago-viite (17. p.)Copeland, Robert Morris. Country Life: A Handbook of Agriculture, Horticulture, and Landscape Gardening. 6th ed. New York: O. Judd and company, 1867.
MLA-viite (8. p.)Copeland, Robert Morris. Country Life: A Handbook of Agriculture, Horticulture, and Landscape Gardening. 6th ed. O. Judd and company, 1867.
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