International directory of arts 15th edition
Art Address Verlag Muller GMBH , 1982
Buku Referensi
Congrat-Butlar, Stefan
Translation & translators : an international directory and guide
R.R. Bowker, 1979
Buku Referensi
Vaillancourt, Pauline M.
International directory of acronyms in library, information, and computer sciences
Bowker, 1980
Buku Teks
Ulrich's international periodicals directory 1991-1992 : volume 1
R.R. Bowker, 1991
Buku Referensi
Ulrich's international periodicals directory 1992-1993 : volume 1
R.R. Bowker, 1992
Buku Referensi