Jepson, R. (1960). A new guide to precis writing. Longmans Green & Co.
Lua i Stíl Chicago (17ú heag.)Jepson, R. A New Guide to Precis Writing. London: Longmans Green & Co, 1960.
Lua MLA (9ú heag.)Jepson, R. A New Guide to Precis Writing. Longmans Green & Co, 1960.
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