Martin, George H., author
Erlangga, 1985
Buku Teks
Ramous, Arthur J.
Prentice-Hall, 1972
Buku Teks
Hinkle, Rollland Theodore
John Wiley & Sons, 1960
Buku Teks
Church, Austin H., author
John Wiley & Sons, 1950
Buku Teks
Suh, C.H.
John Wiley & Sons, 1978
Buku Teks