NEXT EDU. (2017). NEXT SCIENCE - BOOK1 - BOOK B. NEXT EDUCATION.
Chicago-čujuhus (17. p.)NEXT EDU. NEXT SCIENCE - BOOK1 - BOOK B. HYDERABAD: NEXT EDUCATION, 2017.
MLA-čujuhus (9. p.)NEXT EDU. NEXT SCIENCE - BOOK1 - BOOK B. NEXT EDUCATION, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.