Keeling, S. (1971). Sons and lovers. Coles Publ. Comp.
Lua i Stíl Chicago (17ú heag.)Keeling, Samuel. Sons and Lovers. Coles Publ. Comp, 1971.
Lua MLA (8ú heag.)Keeling, Samuel. Sons and Lovers. Coles Publ. Comp, 1971.
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