Simpson, David, author
Oxford University Press , 1986
Buku Teks
Crick, Bernard, author
Routledge & Kegan Paul, 1959
Buku Teks
Saxe, Stephen O.
Oak Kholl Books , 1992
Buku Teks
Hacker, Louis M., author
Columbia University Press, 1947
Buku Teks
Hacker, Louis M., author
Columbia University Press, 1947.
Buku Teks