Kingsbury, J. M. (1969). Seaweeds of Cape Cod and the islands. Chatham Press.
Lua i Stíl Chicago (17ú heag.)Kingsbury, John Merriam. Seaweeds of Cape Cod and the Islands. Chatham, Mass: Chatham Press, 1969.
Lua MLA (9ú heag.)Kingsbury, John Merriam. Seaweeds of Cape Cod and the Islands. Chatham Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.