Citace podle APA (7th ed.)

Betts, E. A., & Esterer, L. A. (1941). Directed spelling activities (Glossary ed.). American Book Company.

Citace podle Chicago (17th ed.)

Betts, Emmett A., a Louise A. Esterer. Directed Spelling Activities. Glossary ed. [New York ; Cincinnati, etc.]: American Book Company, 1941.

Citace podle MLA (8th ed.)

Betts, Emmett A., a Louise A. Esterer. Directed Spelling Activities. Glossary ed. American Book Company, 1941.

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