McCalla, Thomas Richard, author
John Wiley & Sons, 1967
Buku Teks
Dorn, William S., author
John Wiley & Sons, 1972
Buku Teks
McCracken, Daniel D., author
John Wiley & Sons, 1974
Buku Referensi
Chivers, Ian, author
Springer, 2012
eBooks
Rice, John K., author
Holt, Rinehart and Winston , 1973
Buku Teks