Mackinnon, Danny, author
Pearson, Prentice Hall, 2007
Buku Teks
Long, Norman, author
Tavistock Publication, 1980
Buku Teks
Poggi, Gianfranco
Stanford Universrity Press, 1978
Buku Teks
Djoko Kentjono, author
t.p., 1976
Buku Teks
Mackinnon, Danny, author
Routledge, 2019
Buku Teks