Nanney, T. Ray, author
Prentice-Hall, 1981
Buku Teks
Martin, E. Wainright, author
John Wiley & Sons, 1981
Buku Teks
Kreitzberg, Charles B., author
Harcourt Brace Javanovich, 1982
Buku Teks
Nolan, Richard L., author
Addison-Wesley, 1971
Buku Teks
Seeds, Harice L., author
John Wiley & Sons, 1981
Buku Teks