Readers Digest Pathfinders Rocks And Mineral. Reader Digest.
Chicago-čujuhus (17. p.)Readers Digest Pathfinders Rocks And Mineral. Reader Digest.
MLA-čujuhus (9. p.)Readers Digest Pathfinders Rocks And Mineral. Reader Digest.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.