Henkle, W. D. (1872). A test spelling-book: For the use of advanced classes. American Book Co..
Lua i Stíl Chicago (17ú heag.)Henkle, W. D. A Test Spelling-book: For the Use of Advanced Classes. New York ; Cincinnati: American Book Co., 1872.
Lua MLA (8ú heag.)Henkle, W. D. A Test Spelling-book: For the Use of Advanced Classes. American Book Co., 1872.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.