Danubian Press, 1970
Buku Teks
Danubian Press,, 1970
Buku Teks
Grande, Sandy, 1964-, author
Rowman and Littlefield, 2015
Buku Teks
Bacon, Elizabeth E., author
Cornell University Press, 1966
Buku Teks
Joseph Maier, Richard W.Weatherhead
F. A. Praeger, 1964
Buku Teks