ALLEN, K. (2002). ENERGY SCIENCE WORKS FOR KIDS SERIES. EVAN MOOR EDUCATIONAL PUBLISHERS.
Chicago-čujuhus (17. p.)ALLEN, KATY.Z. ENERGY SCIENCE WORKS FOR KIDS SERIES. USA: EVAN MOOR EDUCATIONAL PUBLISHERS, 2002.
MLA-čujuhus (9. p.)ALLEN, KATY.Z. ENERGY SCIENCE WORKS FOR KIDS SERIES. EVAN MOOR EDUCATIONAL PUBLISHERS, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.