Johannsen, Albert
University of Chicago Press, 1937
Buku Teks
Hyndmann, Donald W.
McGraw-Hill, 1985
Buku Teks
Krumbein, W.C.
Appliton, Century Crafts, 1938
Buku Teks
Kokusai Bunka Shinkokai, 1963
Buku Referensi
William, Howel
W.H. Freeman , 1982
Buku Teks