Greenall, S., & Delestrée, A. (1998). Reward: Elementary. Grammar and Vocabulary. Macmillan Heinemann.
Chicago-čujuhus (17. p.)Greenall, Simon, juo Anne Delestrée. Reward: Elementary. Grammar and Vocabulary. Oxford: Macmillan Heinemann, 1998.
MLA-čujuhus (9. p.)Greenall, Simon, juo Anne Delestrée. Reward: Elementary. Grammar and Vocabulary. Macmillan Heinemann, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.