American Academy of Political and Social Science, Philadelphia, & Smith, D. W. e. (1957). Disasters and disaster relief. s.n.
Chicago-viite (17. p.)American Academy of Political and Social Science, Philadelphia, ja De Witt ed Smith. Disasters and Disaster Relief. Philadelphia: s.n, 1957.
MLA-viite (9. p.)American Academy of Political and Social Science, Philadelphia, ja De Witt ed Smith. Disasters and Disaster Relief. s.n, 1957.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.