John Wiley & Sons, 2003
Buku Teks
Warren, Bill, author
Routledge , 1998
Buku Teks
Kelly, George Alexander
Routledge in Association with the Centre for Personal Construct Psychology , 1991
Buku Teks
edited by W. Bruce Walsh
Lawrence Erebaum Associates Publishers, 2006
Buku Teks
Richards, R. Malcolm, author
Scott, Foresman, 1984
Buku Teks