Abbs, B. (1996). Blueprint one: Students' Book (18a. ed.). Longman.
Chicago-čujuhus (17. p.)Abbs, Brian. Blueprint One: Students' Book. 18a. ed. Essex: Longman, 1996.
MLA-čujuhus (9. p.)Abbs, Brian. Blueprint One: Students' Book. 18a. ed. Longman, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.