Waterman, J. (2008). Languaje leader: Teacher's books and test master CD-ROM (1a. ed.). Pearson Longman.
Chicago-čujuhus (17. p.)Waterman, John. Languaje Leader: Teacher's Books and Test Master CD-ROM. 1a. ed. Harlow: Pearson Longman, 2008.
MLA-čujuhus (9. p.)Waterman, John. Languaje Leader: Teacher's Books and Test Master CD-ROM. 1a. ed. Pearson Longman, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.