APA aipamena

DR RAO. N. D. V. PRASADA. (2012). LEARNER'S ENGLISH GRAMMAR AND COMPOSITION BOOK- 6. S.CHAND.

Chicago Style aipamena

DR RAO. N. D. V. PRASADA. LEARNER'S ENGLISH GRAMMAR AND COMPOSITION BOOK- 6. S.CHAND, 2012.

MLA aipamena

DR RAO. N. D. V. PRASADA. LEARNER'S ENGLISH GRAMMAR AND COMPOSITION BOOK- 6. S.CHAND, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.