DR RAO. N. D. V. PRASADA. (2012). LEARNER'S ENGLISH GRAMMAR AND COMPOSITION BOOK- 6. S.CHAND.
Chicago-čujuhus (17. p.)DR RAO. N. D. V. PRASADA. LEARNER'S ENGLISH GRAMMAR AND COMPOSITION BOOK- 6. S.CHAND, 2012.
MLA-čujuhus (9. p.)DR RAO. N. D. V. PRASADA. LEARNER'S ENGLISH GRAMMAR AND COMPOSITION BOOK- 6. S.CHAND, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.