Burke, W. J., & Howe, W. D. (1972). American authors and books, 1640 to the present day (3rd rev. ed.). Crown Publishers.
Lua i Stíl Chicago (17ú heag.)Burke, William Jeremiah, agus Will David Howe. American Authors and Books, 1640 to the Present Day. 3rd rev. ed. New York: Crown Publishers, 1972.
Lua MLA (9ú heag.)Burke, William Jeremiah, agus Will David Howe. American Authors and Books, 1640 to the Present Day. 3rd rev. ed. Crown Publishers, 1972.
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