Hayes, Carlton J.
Macmillan, 1956
Buku Teks
Stromberg, Roland D.
Appleton-Century-Crofts, 1968
Buku Teks
Stromberg, Roland N.
Prentice-Hall, 1990
Buku Teks
Tostlebe, Alvin S.
Princenton University Press , 1957
Buku Teks
Zheng, Yongnian, author
Wiley-Blackwell, 2014
Buku Teks