Hay, Sara Henderson, author
Doubleday, 1966
Buku Teks
edited by Russell O. and Garry D. Mckenzie
Burges Minnepotis, 1974
Buku Teks
editor, Arie Poldervaart
Geological Society of America, 1963
Buku Teks
McGraw-Hill, 2000
Buku Teks
Takeuchi, H., author
Freeman, Cooper and Co., 1967
Buku Teks