What does PSI stand for?
PSI stands for "Partido Socialista Italiano"
How to abbreviate "Partido Socialista Italiano"?
"Partido Socialista Italiano" can be abbreviated as PSI
What is the meaning of PSI abbreviation?
The meaning of PSI abbreviation is "Partido Socialista Italiano"
What does PSI mean?
PSI as abbreviation means "Partido Socialista Italiano"