Ismail Marahimin
Louisiana State University Press, 1986
Buku Teks SO
Reves, Emery
Elsevier, 1947
Buku Teks
Herington, John
Australia War Memorial, 1963
Buku Teks SO
Bryan, J., III [Joseph], 1904-1993
McGraw-Hill, 1960
Buku Teks SO
Auwjong, Peng Koen
Kompas, 2008
Buku Teks SO