Schenk, T., Froelke, R., & Bork, F. (1986). The Wuerttemberg-Emigration-Index: By Trudy Schenk and Ruth Froelke (Vol. 1: and Inge Bork). Ancestry Inc..
Chicago-viite (17. p.)Schenk, Trudy, Ruth Froelke, ja Froelke Bork. The Wuerttemberg-Emigration-Index: By Trudy Schenk and Ruth Froelke (Vol. 1: And Inge Bork). Salt Lake City, Utah: Ancestry Inc., 1986.
MLA-viite (8. p.)Schenk, Trudy, et al. The Wuerttemberg-Emigration-Index: By Trudy Schenk and Ruth Froelke (Vol. 1: And Inge Bork). Ancestry Inc., 1986.
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