Cowan, Marjorie Kelly, author
McGraw-Hill, 2018
Buku Teks
by Karen C. Carroll [and others]
McGraw-Hill, 2016
Buku Teks
Heritage, J.
Cambridge University Press , 1999
Buku Teks
Schlegel, Hans Gunter, 1924-, author
Gadjah Mada Universitas press , 1994
Buku Teks
by Thomas D. Brock [and others]
Prentice-Hall, 1994
Buku Teks