Verhoef, T., Fuchs, R., & Sauer, C. (2001). Toon Verhoef: Werken on papier 1999 - 2001 ; schilderijen 1992 - 2001 / teksten Toon Verhoef, Rudi Fuchs, Christel Raussmüller Sauer.
Čikaški stil citiranja (17. izdanje)Verhoef, Toon, Rudi Fuchs, i Christel Sauer. Toon Verhoef: Werken on Papier 1999 - 2001 ; Schilderijen 1992 - 2001 / Teksten Toon Verhoef, Rudi Fuchs, Christel Raussmüller Sauer. Amsterdam [u.a.], 2001.
MLA način citiranja (8. izdanje)Verhoef, Toon, et al. Toon Verhoef: Werken on Papier 1999 - 2001 ; Schilderijen 1992 - 2001 / Teksten Toon Verhoef, Rudi Fuchs, Christel Raussmüller Sauer. 2001.
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