Varela, H. (1999). Jonathan Crush y David MacDonald (editores de la serie). Migration Policy Series. Ciudad del Cabo: Institute for Democracy in South Africa y Queen's University, The Southern African Migration Project. El Colegio de México.
Cita Chicago Style (17a ed.)Varela, Hilda. Jonathan Crush Y David MacDonald (editores De La Serie). Migration Policy Series. Ciudad Del Cabo: Institute for Democracy in South Africa Y Queen's University, The Southern African Migration Project. El Colegio de México, 1999.
Cita MLA (9a ed.)Varela, Hilda. Jonathan Crush Y David MacDonald (editores De La Serie). Migration Policy Series. Ciudad Del Cabo: Institute for Democracy in South Africa Y Queen's University, The Southern African Migration Project. El Colegio de México, 1999.