Hall, Ford P.
McGraw-Hill Book Company , 1949
Buku Teks
Palfremen, David
Pitman, 1988
Buku Teks SO
edited by R.B. Bucat
Australian Academy of Science, 1984
Buku Teks SO
Anderson-Ford, David
London McGraw-Hill c. 1980,
Buku Teks
Handlin, David p
Thames And Hudson, 1985
Buku Teks SO