A practical handbook of Russian style / L. A. Kiselyova ...[et al.]
Progress Publishers, [date of publication not identified]
Buku Referensi
Rhetorical and critical approaches to public relations / edited by Elizabeth L. Toth, Robert L. Heath
Lawrence Erlbaum Associates , 1992
Buku Teks
Paying for broadcasting : the handbook/Tim Congdon...[et al.]
Routledge , 1994
Buku Teks
Pengantar ekonomi perusahaan/ Edilius.....( et al)l
Rineka Cipta, 1992
Buku Teks
Save the birds / Rudolph L. Schreiber ... [et al.]
Houghton Mifflin, 1989
Buku Teks