STILLE DARLENE R. (2019). SUMMER SIMPLY SCIENCE (2018 Ed.). COMPASS POINT BOOKS.
Chicago-čujuhus (17. p.)STILLE DARLENE R. SUMMER SIMPLY SCIENCE. 2018 Ed. MINNESOTA: COMPASS POINT BOOKS, 2019.
MLA-čujuhus (9. p.)STILLE DARLENE R. SUMMER SIMPLY SCIENCE. 2018 Ed. COMPASS POINT BOOKS, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.