Dobbin, Christine, author
Oxford University Press, 1972
Buku Teks
McGraw-Hill, 2000
Buku Teks
Godwin, C. J.
Tata McGraw-Hill, 1972
Buku Teks
Hallenbeck, Wilbur C., author
Harper & Brothers , 1951
Buku Teks
Catanach, I.J.
University of California Press, 1970
Buku Teks