by Alexander Abusch ... [et al.]
Seven Seas Book, 1963
Buku Teks
by Jack Canfield ... [and others]
Health Communication, 1997
Buku Teks
Macleod, CIN
Antigonis NS 1974
Buku Teks
Panda Books, 1982
Buku Teks
Sandy Schuck, Peter Aubusson, John Buchanan, Tom Russell, editors
[Springer, Springer], 2012
eBooks