@article{90752,
      author = {Hauberg, Clifford A.},
      url = {http://library.usi.edu/record/90752},
      title = {Puerto Rico and the Puerto Ricans,},
      publisher = {Twayne Publishers},
      recid = {90752},
      pages = {211 p.},
      address = {New York,},
      year = {1975},
}