WATCYN-JONES, P. (1986). Test your vocabulary book 1. Penguin Books.
Chicago-čujuhus (17. p.)WATCYN-JONES, Peter. Test Your Vocabulary Book 1. Middlesex: Penguin Books, 1986.
MLA-čujuhus (9. p.)WATCYN-JONES, Peter. Test Your Vocabulary Book 1. Penguin Books, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.