Berger, Peter L., author
Allen Lane, 1966
Buku Teks
Smith, L. Glenn, author
Allyn and Bacon, 1973
Buku Teks
Field, Andy P., author
SAGE Publications, 2016
Buku Teks
Riener, Robert, author
Springer, 2012
eBooks
Mihelj, Matjaz, author
Springer, 2012
eBooks