Alexopoulos, Constantine John, 1907-1986, author
John Wiley & Sons, 1979
Buku Teks
Dobson, Frank S., author
Richmond, 1992
Buku Teks
edited by David J. Galloway
Clarendon Press, 1991
Buku Teks
editor, William H. Beyer
CRC Press, 1978
Buku Referensi
editors, Perrin Walker, William H. Tarn
CRC Press, 1991
Buku Referensi