edited by A.J. Marshall, W.D. Williams
Macmillan, 1978
Buku Teks
Weisz, Paul B., author
McGraw-Hill, 1975
Buku Teks
Radiopoetro, author
Erlangga, 1977
Buku Teks
Elliot, Alfred M., author
Burgess Publishing Comp., 1974
Buku Teks
Moment, Grindner B., author
Houghton Miffiln, 1967
Buku Teks