LESTER, M. a. B., & BEASON, L. The McGraw Hill Handbok of English Grammar and Usage. Mcgraw Hill Education India Pvt Ltd.
Lua i Stíl Chicago (17ú heag.)LESTER, MARK and BEASON, agus LARRY BEASON. The McGraw Hill Handbok of English Grammar and Usage. Mcgraw Hill Education India Pvt Ltd.
Lua MLA (9ú heag.)LESTER, MARK and BEASON, agus LARRY BEASON. The McGraw Hill Handbok of English Grammar and Usage. Mcgraw Hill Education India Pvt Ltd.
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