Corey, Gerald, author
Brooks/Cole, Cengage Learning, 2012
Buku Teks
Rahmat Fitriadi Herman, author
2016
UI - Tesis Membership
Bush, Gail, author
[American Library association, American Library association], 2003
eBooks
edited by William G. Dyear
Van Nostrand Reinhold, 1972
Buku Teks
Corey, Gerald, author
Cengage Learning, 2017
Buku Teks