APA-čujuhus (7. p.)

Harvest of Rain. Center for Science.

Chicago-čujuhus (17. p.)

Harvest of Rain. : Center for Science.

MLA-čujuhus (9. p.)

Harvest of Rain. Center for Science.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.