Gartside, L. (1977). Commerce: A guide to the business world for sixth forms, professional examination students and the general reader. Macdonald and Evans.
Chicago-referens (17:e uppl.)Gartside, L. Commerce: A Guide to the Business World for Sixth Forms, Professional Examination Students and the General Reader. Plymouth: Macdonald and Evans, 1977.
MLA-referens (8:e uppl.)Gartside, L. Commerce: A Guide to the Business World for Sixth Forms, Professional Examination Students and the General Reader. Macdonald and Evans, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.