edited by Kenneth W. Thompson
University Press of America, 1980
Buku Teks
Steiner, Henry J., author
Oxford University Press, 2000
Buku Teks
Delaet, Debra L., 1968-, author
Cengage Learning, 2015
Buku Teks
Delaet, Debra L., 1968-, author
Thomson Wadsworth, 2006
Buku Teks
Cassesse, Antonio, author
Yayasan Obor Indonesia , 1993-1994
Buku Teks