Williams, A. (1942). Modern exposition: A textbook in expository writing. F.S. Crofts & Co..
Lua i Stíl Chicago (17ú heag.)Williams, Arnold. Modern Exposition: A Textbook in Expository Writing. New York: F.S. Crofts & Co., 1942.
Lua MLA (8ú heag.)Williams, Arnold. Modern Exposition: A Textbook in Expository Writing. F.S. Crofts & Co., 1942.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.