Cooper, H. A. (1986). Winslow Homer Watercolors. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Cooper, Helen A. Winslow Homer Watercolors. New Haven , London: Yale University Press, 1986.
Lua MLA (8ú heag.)Cooper, Helen A. Winslow Homer Watercolors. Yale University Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.