Kenny, N. (1998). First Certificatew Pass Key: Student's book. Macmillan Heinemann.
Chicago-čujuhus (17. p.)Kenny, Nick. First Certificatew Pass Key: Student's Book. Inglaterra: Macmillan Heinemann, 1998.
MLA-čujuhus (9. p.)Kenny, Nick. First Certificatew Pass Key: Student's Book. Macmillan Heinemann, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.