Salvadori, Mario, author
Jakarta Erlangga, 1986
Buku Teks
Hoadley, Anthony.
Wiley, 1964
Buku Teks
Kurtz, Max
McGraw-Hill, 1969
Buku Teks
Underwood, James R., author
Wiley, 2007
Buku Teks
Underwood, James R., author
John Wiley & Sons, 1998
Buku Referensi