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..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)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.