Rivera Sheila. First Step Non Fiction Forest. Lerner.
Chicago-čujuhus (17. p.)Rivera Sheila. First Step Non Fiction Forest. 2008 2008: Lerner.
MLA-čujuhus (9. p.)Rivera Sheila. First Step Non Fiction Forest. Lerner.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.