Gilbert, Joseph, author
Van Nostrand Reinhold, 1978
Buku Teks
Groth-Marnat, Gary, author
John Wiley & Sons, 1990
Buku Referensi
edited by Gregory J. Boyle, Donald H. Saklofske, Gerald Matthews
Academic Press, 2015
eBooks
Groth-Marnat, Gary, author
John Wiley & Sons, 2016
Buku Teks
Kellerman, Henry, author
Springer, 2010
Buku Teks