Haks, Leo
Archipelago Press , 1995
Buku Referensi
Mohammad Hatta, 1902-1980
Cornell University Press, 1957
Buku Teks
Institute for Sino-Indian Buddhist Studies, 1984
Buku Teks
Arndt, Heinz Wolfgang, 1915-2002
LP3ES , 1987
Buku Teks
Arndt, Heinz Wolfgang, 1915-2002
LP3ES, 1983
Buku Teks