Hartog, F. (1981). Economische stelsels (4. dr.). Wolters-Noordhoff.
Chicago Style (17th ed.) CitationHartog, Floor. Economische Stelsels. 4. dr. Groningen: Wolters-Noordhoff, 1981.
MLA (9th ed.) CitationHartog, Floor. Economische Stelsels. 4. dr. Wolters-Noordhoff, 1981.
Warning: These citations may not always be 100% accurate.