NORTH KLAUS. (1992). ENVIRONMENTAL BUSINESS MANAGEMENT. INTERNATIONAL LABOUR ORGANIZATION.
Chicago Style (17th ed.) CitationNORTH KLAUS. ENVIRONMENTAL BUSINESS MANAGEMENT. GENEVA: INTERNATIONAL LABOUR ORGANIZATION, 1992.
MLA (9th ed.) CitationNORTH KLAUS. ENVIRONMENTAL BUSINESS MANAGEMENT. INTERNATIONAL LABOUR ORGANIZATION, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.