Safa, H. I. (1974). The urban poor of Puerto Rico: A study in development and inequality. Holt, Rinehart and Winston.
Chicago-Zitierstil (17. Ausg.)Safa, Helen I. The Urban Poor of Puerto Rico: A Study in Development and Inequality. New York [u.a.]: Holt, Rinehart and Winston, 1974.
MLA-Zitierstil (9. Ausg.)Safa, Helen I. The Urban Poor of Puerto Rico: A Study in Development and Inequality. Holt, Rinehart and Winston, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.