Barrett, B., author
The M & E Handbook Series, 1995
Buku Teks
Barrett, Brenda, author
M&E Handbook Series, 1995
Buku Teks
Friend, Mark A., author
Bernan Press, 2014
Buku Teks
CCH Australia , 2001
Buku Teks
Anton, Thomas J., author
McGraw-Hill, 1979
Buku Teks