Keresidenan Tapanuli: Perbedaan antara revisi

}}<ref name = buku>{{cite book |title = [https://books.google.co.id/books?id=TyskwvV3pUkC&pg=PA12&dq=residentie+tapanoeli&hl=id&sa=X&ved=0ahUKEwj9oLya36HXAhWCTbwKHaSgBCgQ6AEIRzAH#v=onepage&q=residentie%20tapanoeli&f=false Residentie Tapanoeli (Sumatra Westkust) in 1852] |author = P.Th Couperus |publisher = National Library of Netherlands (Asli dari perpustakaan Universitas Leiden) |year =1852}}</ref>