Feuillerat, Albert
Yale University Press, 1953
Buku Teks
John F. Michell
Thames and Hudson, 1996
Buku Teks
Clarke, D. Waldo, author
Longmans, Green, 1950
Buku Teks
Siegel, Paul N., author
University of Notre Dame Press, 1968
Buku Teks
Clemen, Wolfgang, author
Methuen, 1977
Buku Teks