Wilkinson, R. J. 1911. Notes on the Negri Sembilan. (Papers on Malay Subjects, ser. 1: History, 5.)
@book{wilkinson1911, author = {Wilkinson, R. J.}, key = {Wilkinson (1911)}, series = {Papers on Malay Subjects, ser. 1: History}, title = {Notes on the Negri Sembilan}, volume = {5}, year = {1911} }