Larsen, E. W., & Roots, B. I. (2005). Flower guide for holiday weekends in Eastern Canada and Northeastern U.S.A. NRC Press.
Chicagoスタイル(17版)引用形式Larsen, Ellen Wynne, , Betty I. Roots. Flower Guide for Holiday Weekends in Eastern Canada and Northeastern U.S.A. Ottawa: NRC Press, 2005.
MLA(9版)引用形式Larsen, Ellen Wynne, , Betty I. Roots. Flower Guide for Holiday Weekends in Eastern Canada and Northeastern U.S.A. NRC Press, 2005.
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