(1972). Educatieve programma's maken. Wolters-Noordhoff.
Chicago Style (17th ed.) CitationEducatieve Programma's Maken. Wolters-Noordhoff, 1972.
MLA (8th ed.) CitationEducatieve Programma's Maken. Wolters-Noordhoff, 1972.
Warning: These citations may not always be 100% accurate.