Hutauruk, T. S.
Erlangga, 1985
Buku Teks
Artono Arismunandar, author
Universitas Indonesia, 1977
Buku Teks
Harten, P. van, author
Binacipta, 1981
Buku Teks
Guile, A.E., author
Pergamon Press, 1982
Buku Teks
Guile, A.E., author
Pergamon Press, 1986
Buku Teks