McKay, C. (2008). The Duke of Queensberry and the union of Scotland and England: James Douglas and the Act of Union of 1707. Cambria Press.
Chicago-Zitierstil (17. Ausg.)McKay, Collins. The Duke of Queensberry and the Union of Scotland and England: James Douglas and the Act of Union of 1707. Youngstown, NY: Cambria Press, 2008.
MLA-Zitierstil (9. Ausg.)McKay, Collins. The Duke of Queensberry and the Union of Scotland and England: James Douglas and the Act of Union of 1707. Cambria Press, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.