American Heritage Publishing, 1960
Buku Teks
Schils, Rene, author
[Springer, ], 2012
eBooks
Bragg, Melvyn, author
John Wiley & Sons, 1998
Buku Referensi
Marks, John, author
Heinemann, 1983
Buku Teks
Taylor, F. Sherwood, author
Frederick A. Praeger, , 1955
Buku Teks