Stein, Donald G., author
MacMillan Press , 1974
Buku Teks
Stuper, Andrew J., author
John Wiley & Sons, 19779
Buku Teks
edited by F.B. Golley
Elsiver, 1983
Buku Referensi
Wei, Jie, author
McGraw-Hill, 1979
Buku Teks
Robertson, Arthur Henry, 1913-, author
Steven & Sons, 1956
Buku Teks