of the principal services provided and supplies delivered in the past three years, with the sums, dates and clients, public or private accompanied upon request by statements issued by the clients;
glavnih storitev in blaga, opravljenih oz. dobavljenega v zadnjih treh letih, z navedbo zneskov, datumov ter strank, javnih ali zasebnih, ki so jim na zahtevo priložene izjave strank;