Siagian, Sondang P., author
Bumi Aksara, 2010
Buku Teks
Manullang, M., author
Gadjah Mada University Press, 2006
Buku Teks
Dessler, Gary, 1942-, author
Prehallindo, 1997
Buku Teks
Dessler, Gary, 1942-, author
Indeks, 2007
Buku Teks
Dessler, Gary, 1942-, author
Indeks, 2016
Buku Teks