A practical handbook of Russian style / L. A. Kiselyova ...[et al.]
by L.A. Kiselyova ... [and others]
Progress Publishers, [Date of publication not identified]
 Buku Referensi
Pengantar ekonomi perusahaan/ Edilius.....( et al)l
oleh Edilius ... [and others]
Rineka Cipta, 1992
 Buku Teks SO
Paying for broadcasting : the handbook/Tim Congdon...[et al.]
by Tim Congdon ... [and others]
Routledge , 1994
 Buku Teks
Rhetorical and critical approaches to public relations / edited by Elizabeth L. Toth, Robert L. Heath
edited by Elizabeth L. Toth and Robert L. Heath
Lawrence Erlbaum Associates, 1992
 Buku Teks SO
A history of German literature from the beginnings to the present day Wolfgang Beutin ...[et al.] ... [et al.] Translated by
by Wolfgang Beutin ... [and others]
Routledge, 1993
 Buku Teks SO