NEXT EDU. (2016). NEXT ENGLISH - 2 BOOK B. NEXT EDUCATION.
Chicago Style aipamenaNEXT EDU. NEXT ENGLISH - 2 BOOK B. HYDERABAD: NEXT EDUCATION, 2016.
MLA aipamenaNEXT EDU. NEXT ENGLISH - 2 BOOK B. NEXT EDUCATION, 2016.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.