(1959). Het belang van de inkoop. 's-Gravenhage.
Chicago Style (17th ed.) CitationHet Belang Van De Inkoop. 's-Gravenhage, 1959.
MLA (8th ed.) CitationHet Belang Van De Inkoop. 's-Gravenhage, 1959.
Warning: These citations may not always be 100% accurate.