editor Haryati Soebadio
Archipelago Press, 1998
Buku Teks SO
by Agoes Ariesmunandar, Julian Davison, Bea Bromer and Jacques Durmacay
Archipelago Press, 1998
Buku Referensi
Smith, E. Janet
Thomson Reuters, 2011
Buku Teks
Fontein, Jan
North-Holland , 1989
Buku Teks
Estey, James Arthur
Prentice-Hall, 1950
Buku Teks