Murnane, Gerald, author
Penguin Books, 1987
Buku Teks
Wilcocks, Charles
Oxford University Press, 1950
Buku Teks
edited by Fred A. Stitt
McGraw-Hill, 1999
Buku Teks
Stitt, Fred A., editor
McGraw-Hill, 1999
Buku Referensi
Barrow, Christopher J., author
Essex Longman Scientific & Technical, 1987
Buku Teks