Heidinga, H. A. (1987). Medieval settlement and economy north of the Lower Rhine: Archeology and history of Kootwijk and the Veluwe (the Netherlands). Van Gorcum.
Chicago-Zitierstil (17. Ausg.)Heidinga, Hendrik Anthonie. Medieval Settlement and Economy North of the Lower Rhine: Archeology and History of Kootwijk and the Veluwe (the Netherlands). Assen/Maastricht [u.a.]: Van Gorcum, 1987.
MLA-Zitierstil (9. Ausg.)Heidinga, Hendrik Anthonie. Medieval Settlement and Economy North of the Lower Rhine: Archeology and History of Kootwijk and the Veluwe (the Netherlands). Van Gorcum, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.