edited by T.E. Hall, P.R. Jones, G.B. Preston
Academic Press, 1980
Buku Teks
Edey, Harold C.
Garland Publishing , 1982
Buku Teks
Hayes, James L., author
Amacom , 1983
Buku Teks
edited by James F. Short
Sage, 1986
Buku Teks
Holt, Rinehart and Winston, 1985
Buku Teks