Warouw, Adolf, author
FH-UI, 2007
Buku Teks
Sediono M.P. Tjondronegoro, author
Akatiga, 1999
Buku Teks
Anna Erliyana, author
Universitas Indonesia, 2009
Buku Teks
Lubis, Todung Mulya, author
[publisher not identified], [date of publication not identified]
Buku Teks
Lubis, Todung Mulya, author
Universitas Indonesia, [1995]
Buku Teks