JOSEPH, J. D. (2011). MY BLUE BOOK OF GRAMMAR PRACTICAL ENGLISH GRAMMAR, VOCABULARY AND COMPOSITION WITH ANSWERS (10TH RPRNT.). SHETH PUBLISHING.
Lua i Stíl Chicago (17ú heag.)JOSEPH, JOSE. DOMINIC. MY BLUE BOOK OF GRAMMAR PRACTICAL ENGLISH GRAMMAR, VOCABULARY AND COMPOSITION WITH ANSWERS. 10TH RPRNT. VIKHROLI: SHETH PUBLISHING, 2011.
Lua MLA (9ú heag.)JOSEPH, JOSE. DOMINIC. MY BLUE BOOK OF GRAMMAR PRACTICAL ENGLISH GRAMMAR, VOCABULARY AND COMPOSITION WITH ANSWERS. 10TH RPRNT. SHETH PUBLISHING, 2011.
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