Block, T. A., Rhoads, A. F., & Aniśko, A. (2011). Aquatic plants of Pennsylvania: A complete reference guide. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Block, Timothy A., Ann Fowler Rhoads, agus Anna Aniśko. Aquatic Plants of Pennsylvania: A Complete Reference Guide. Philadelphia: University of Pennsylvania Press, 2011.
Lua MLA (9ú heag.)Block, Timothy A., et al. Aquatic Plants of Pennsylvania: A Complete Reference Guide. University of Pennsylvania Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.