DICKSON DEN. (1986). IMPROVE YOUR BUSINESS: WORK BOOK. INTERNATIONAL LABOUR ORGANIZATION.
Chicago-referens (17:e uppl.)DICKSON DEN. IMPROVE YOUR BUSINESS: WORK BOOK. GENEVA: INTERNATIONAL LABOUR ORGANIZATION, 1986.
MLA-referens (9:e uppl.)DICKSON DEN. IMPROVE YOUR BUSINESS: WORK BOOK. INTERNATIONAL LABOUR ORGANIZATION, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.