Fransen, H. (1991). Dutch Impressionism 1860 - 1920: Sept. 1991 - Jan. 1992, Michaelis Collection, Cape Town / catalogue compiled by Hans Fransen.
Chicago-viite (17. p.)Fransen, Hans. Dutch Impressionism 1860 - 1920: Sept. 1991 - Jan. 1992, Michaelis Collection, Cape Town / Catalogue Compiled by Hans Fransen. Cape Town, 1991.
MLA-viite (8. p.)Fransen, Hans. Dutch Impressionism 1860 - 1920: Sept. 1991 - Jan. 1992, Michaelis Collection, Cape Town / Catalogue Compiled by Hans Fransen. 1991.
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