Pilkington, J. (1993). Test Your Business skills. Headline book.
Chicago-čujuhus (17. p.)Pilkington, Joan. Test Your Business Skills. London: Headline book, 1993.
MLA-čujuhus (9. p.)Pilkington, Joan. Test Your Business Skills. Headline book, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.