Clark, John Willis, author
Cambridge University Press, 2009
eBooks
Neuhoff, Klaus
Nomos Verlagsgesellschaft m. b. H. & Co. Kommanditgesselschaft, 1969
Buku Teks
Baskaran, Bala, author
Institute of South East Asia Studies, 2012
eBooks
Nelson, Ralph L.
Russell Sage Foundation , 1967
Buku Teks
Tuttle, Matthew, author
John Wiley & Sons, 2009
Buku Teks