Baylon, Christian
Paris: Nathan, 1991
Buku Teks
Charles, Rene, author
Nathan, 1994
Buku Teks
Watzlawick, Paul
Editions du Seuil, 1988
Buku Teks
Baylon, Christian
Nathan Universite, 1991
Buku Teks
Escarpit, R.
Paris: Classiques Hachette, 1976
Buku Teks