Block, T. A., Rhoads, A. F., & Aniśko, A. (2011). Aquatic plants of Pennsylvania: A complete reference guide. University of Pennsylvania Press.
Chicagoスタイル(17版)引用形式Block, Timothy A., Ann Fowler Rhoads, , Anna Aniśko. Aquatic Plants of Pennsylvania: A Complete Reference Guide. Philadelphia: University of Pennsylvania Press, 2011.
MLA(9版)引用形式Block, Timothy A., et al. Aquatic Plants of Pennsylvania: A Complete Reference Guide. University of Pennsylvania Press, 2011.
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