Ulrich's international periodicals directory
/ R. R. Bowker A Reed Reference Publishing Company, volume 3 subjects M-Z 1993-1994
- 32nd ed.
- New Jersey: R. R. Bowker A Reed Reference Publishing Company, 1993
- lxii, 5454p.
volume 3 subjects M-Z 1993-1994, including irregular serials & annuals, The Bowker International Serials Database