Caldwell, J. C. (1969). African rural-urban migration: The movenent to Ghana's towns. Columbia University.
Chicagoスタイル(17版)引用形式Caldwell, John C. African Rural-urban Migration: The Movenent to Ghana's Towns. New York: Columbia University, 1969.
MLA(9版)引用形式Caldwell, John C. African Rural-urban Migration: The Movenent to Ghana's Towns. Columbia University, 1969.
警告: この引用は必ずしも正確ではありません.