Coyle, David Cushman, 1887-1969, author
Rutgers UNiversity Press, 1957
Buku Teks
Hacker, Louis M., author
D. Van Nostrand, 1957
Buku Teks
Bendixen, Alfred, author
Wiley-Blackwell, 2010
Buku Teks
Allen, Lee, author
Hill And Wang, 1962
Buku Teks
Cuber, John F
Henry Holt And Company, 1951
Buku Teks