BLASHFIELD, J. &. B. (1991). OIL SPILLS. CHILDRENS PRESS.
Chicago-čujuhus (17. p.)BLASHFIELD, JEAN.F & BLACK. OIL SPILLS. USA: CHILDRENS PRESS, 1991.
MLA-čujuhus (9. p.)BLASHFIELD, JEAN.F & BLACK. OIL SPILLS. CHILDRENS PRESS, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.