Pen, J., Tinbergen, J., Turin, E., Vlerick, A., & Devreker, A. (1961). Problemen van economische ontwikkeling. Gent: Serug.
Chicago Style (17th ed.) CitationPen, J., Jan Tinbergen, E.P Turin, A.J Vlerick, and André Devreker. Problemen Van Economische Ontwikkeling. Gent: Serug, 1961.
MLA (8th ed.) CitationPen, J., et al. Problemen Van Economische Ontwikkeling. Gent: Serug, 1961.
Warning: These citations may not always be 100% accurate.