Chase, S. (1951). "Operation bootstrap" in Puerto Rico; report of progress. National Planning Association.
Citación estilo ChicagoChase, Stuart. "Operation Bootstrap" in Puerto Rico; Report of Progress. Washington: National Planning Association, 1951.
Cita MLAChase, Stuart. "Operation Bootstrap" in Puerto Rico; Report of Progress. National Planning Association, 1951.
Warning: These citations may not always be 100% accurate.