Wilkinson, Thomas O
The University of Massachusetts Press, 1965
Buku Teks
Bonine, John E.
St. Paul, Minn, 1992
Buku Teks
Allen, Thomas O.
Oil & Gas Consultans International, 1978
Buku Teks
Scalapino, Robert A., author
Institute of East Asian Studies, University of California, 1983
Buku Teks
Caminos, Horacio, author
MIT Press, 1980
Buku Teks