Hobbes, Thomas
Broadview Literary Texts , 2002
Buku Teks
Kranenburg, Roelof, 1880-, author
De Erven F. Bohn, 1932
Buku Teks
Greenberg, Daniel S., author
The University of Chicago Press , 1999
Buku Teks
Jacob, Herbert, 1933-, author
McGraw-Hill, 1975
Buku Teks
Soehardjo, author
[publisher not identified], 1977
Buku Teks