Annual abstract of statistics 1997 : [an annual review of main statistical data on demography, labour, industry and other economic, financial and social subjects]. No. 51. Valletta : Central Office of Statistics, 1999. 263 s. ISBN 99909-81-45-0. ISSN 0256-8047. [Počet ex. : 1, z toho voľných 1, prezenčne 0]