Simorangkir, J.C.T., author
Djambatan, 1982
Buku Teks
Umbara, 2002
Buku Teks
Soediman Kartohadiprodjo, author
Binacipta, 1969
Buku Teks
Kementrian Penerangan RI
Kementrian Penerangan, [date of publication not identified]
Buku Teks
Simorangkir, J.C.T., author
Djambatan , 1975
Buku Teks