Springer, 2012
eBooks
edited by Martin H. Wolfson, Gerald A. Epstein
Oxford University Press, 2013
Buku Teks
Reagan, Michael D., author
Oxford University Press, 1963
Buku Teks
edited by Harold F. Williamson
Prentice-Hall, 1951
Buku Teks
Robertson, Ross M., author
Harcourt, Brace & World, 1964
Buku Teks