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Lua i Stíl Chicago (17ú heag.)United Nations. Secretariat agus London United Nations Congress on the Prevention of Crime and the Treatment of Offenders. 2nd. The Integration of Prison Labour with the National Economy, Including the Remuneration of Prisoners; General Report by J. Carlos Garcia Basalo. New York: United Nations, 1960.
Lua MLA (9ú heag.)United Nations. Secretariat agus London United Nations Congress on the Prevention of Crime and the Treatment of Offenders. 2nd. The Integration of Prison Labour with the National Economy, Including the Remuneration of Prisoners; General Report by J. Carlos Garcia Basalo. United Nations, 1960.