North, D. S. (1980). Amnesty: Conferring legal status on illegal immigrants : the Canadian experience, the Western European experience, and a proposal to study its possible consequences in the U.S. Washington, D.C.: Center for Labor and Migration Studies, New TransCentury Foundation.

North, David S. Amnesty: Conferring Legal Status On Illegal Immigrants : The Canadian Experience, the Western European Experience, and a Proposal to Study Its Possible Consequences in the U.S. Washington, D.C.: Center for Labor and Migration Studies, New TransCentury Foundation, 1980.

North, David S. Amnesty: Conferring Legal Status On Illegal Immigrants : The Canadian Experience, the Western European Experience, and a Proposal to Study Its Possible Consequences in the U.S. Washington, D.C.: Center for Labor and Migration Studies, New TransCentury Foundation, 1980.