Usherwood, Bob
Library Association, 1981
Buku Teks SO
Rourke, Francis E.
Little, Brown, 1979
Buku Teks SO
Doblstein, Andrew W.
Prentice-Hall, 1980
Buku Teks SO
by James E. Anderson; David Brady; Charles Bullock III; Joseph stewart, JR
Brooks/Cole; cengage learning, 1984
Buku Teks SO
by James E. Anderson; David Brady; Charles Bullock III; Joseph stewart, JR
Brooks/Cole; cengage learning, 1984
Buku Teks SO