Rourke, John T., author
McGraw-Hill, 2010
Buku Teks
by Steven L. Spiegel [and others]
Thomson Wadsworth, 2005
Buku Teks
Nau, Henry R., 1941-, author
SAGE Publications, 2019
Buku Teks
Andrew Hurrell, Ngaire Woods, Satria Utama S., Diana Arimbi
Fakultas Ekonomi UI, 2001
Buku Teks
Sharp, Walter R.
Rinehart, 1944
Buku Teks