Feith, Herbert
Equinox Pub., 2007
Buku Teks
Friedrich, Carl J., author
Ginn, 1950
Buku Teks
Puspa D. Amri, author
UIII Press, 2023
Artikel Jurnal
Dallmayr, Fred R. (Fred Reinhard), 1928-, author
Rowman & Littlefield Publishers, Inc., 2001
Buku Teks
Babcock, Chester D., author
Scott, Foresman, 1956
Buku Teks