Minick, Keith
Buku Teks
Academy Group LTD, 1996
Buku Teks
Brody, Clark L.
Michigan State University Press 1959
Buku Teks
editor Haryati Soebadio
Archipelago Press, 1998
Buku Teks SO
Agoes Ariesmunandar ; Davison, Julian ; Bromer, Bea ; Durmacay, Jacques
Archipelago Press, 1998
Buku Referensi