(Amsterdam), A. (1969). V.l.n.r: ?, Polak, Vorrink, V. Biemen, Cammelbeeck, Den Uyl, Dankert, Klein, Van der Louw, Koopman, ?, ?, Egas, ?
Chicago Style (17th ed.) Citation(Amsterdam), Arbeiderspers. V.l.n.r: ?, Polak, Vorrink, V. Biemen, Cammelbeeck, Den Uyl, Dankert, Klein, Van Der Louw, Koopman, ?, ?, Egas, ? 1969.
MLA (8th ed.) Citation(Amsterdam), Arbeiderspers. V.l.n.r: ?, Polak, Vorrink, V. Biemen, Cammelbeeck, Den Uyl, Dankert, Klein, Van Der Louw, Koopman, ?, ?, Egas, ? 1969.
Warning: These citations may not always be 100% accurate.