P., B., T.(2003).Multiple centres of authority : Society and environment in Siak and eastern Sumatra, 1674-1827 / Timothy P. Barnard .Leiden:KITLV Press.
Gaya MLA
Barnard, Timothy, P.."Multiple centres of authority : Society and environment in Siak and eastern Sumatra, 1674-1827 / Timothy P. Barnard".Leiden:KITLV Press,2003.Textbook.