Landwirtschaftsverband Rheinland, Rheinisches Freilichtmuseum Kommern. (1995). Childhood - Playtime ?: International Symposium on the Research and Documentation in Museums of Cultural Aspects of Toys, Children and Youth. Rheinland Verl..
Citação do estilo Chicago (17ª ed.)Landwirtschaftsverband Rheinland, Rheinisches Freilichtmuseum Kommern. Childhood - Playtime ?: International Symposium on the Research and Documentation in Museums of Cultural Aspects of Toys, Children and Youth. Köln [u.a.]: Rheinland Verl., 1995.
Citação MLA (8ª ed.)Landwirtschaftsverband Rheinland, Rheinisches Freilichtmuseum Kommern. Childhood - Playtime ?: International Symposium on the Research and Documentation in Museums of Cultural Aspects of Toys, Children and Youth. Rheinland Verl., 1995.