Ginsberg, A. (1935). Longmans English essentials. Longmans, Green and Co..
Lua i Stíl Chicago (17ú heag.)Ginsberg, Annie. Longmans English Essentials. New York ; Toronto: Longmans, Green and Co., 1935.
Lua MLA (8ú heag.)Ginsberg, Annie. Longmans English Essentials. Longmans, Green and Co., 1935.
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