Gartside, L. (1977). English for business studies: a practical: Course for use in secondary schools and colleges. Macdonald.
Chicago-čujuhus (17. p.)Gartside, L. English for Business Studies: A Practical: Course for Use in Secondary Schools and Colleges. Estover: Macdonald, 1977.
MLA-čujuhus (9. p.)Gartside, L. English for Business Studies: A Practical: Course for Use in Secondary Schools and Colleges. Macdonald, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.