Scott, John Paul
The University of Chicago Press, 1958
Buku Teks
Yeates, N. T. M.
Pergamon Press, 1975
Buku Teks
by Cleveland P. Hickman, Jr. [and others]
McGraw-Hill, 2012
Buku Teks
Cleveland P. Hickman [and others]
McGraw-Hill, 2015
Buku Teks
P. McDonald ... [et al.]
Longman, 1995
Buku Teks