Goodrich, L. Carrington (Luther Carrington), 1894-
Waverly Press, 1935
Buku Teks
Forsyth, Frederick, 1938-
Serambi Ilmu Semesta, 2013
Buku Teks
Haag, WG
Lexiton University of Kentucky 1948
Buku Teks
Kecskemeti, Paul
Stanford University Press, 1958
Buku Teks SO
Kerr, Alex
Hill and Wang, 2001
Buku Teks