Reid, Anthony, 1939-, author
NUS Press, 2010
Buku Teks
Carlson, Paul A., author
South Western, 1957
Buku Teks
edited and selected by Benjamin Nelson
George Allen and Unwin, 1958
Buku Teks
Berle, Adolf A., Jr., author
Harcourt, Brace, 1954
Buku Klasik
edited by E.M. Kirkpatrick ; assistant editors, C.M. Schwarz ... [and others]
Chambers, 1983
Buku Referensi