Taft, Donald R., author
Macmillan, 1964
Buku Teks
Sutherland, Edwin H., author
Lippincott Company, 1960
Buku Teks
Reid, Sue Titus, author
Holt, Rinehart and Winston, 1985
Buku Teks
Vold, George B. (George Bryan), 1896-1967
Oxford University Press, 1979
Buku Teks
Loader, Ian, author
Routledge, 2011
Buku Teks