Katz, William A., 1924-, author
Holt, Rinehart and Winston, 1979
Buku Teks
Laet, Rony De, author
Springer, 2012
eBooks
Springer, 2012
eBooks
Rainey, Dennis, author
Arkansas: The Lockman Foundation; 1989,
Buku Referensi
Pantry, Sheila, author
Facet Publishing, 2003
Buku Teks