Adela Pellegrino

Worlds in Motion: Understanding International Migration at the End of the Millennium

Graeme Hugo, Douglas S. Massey, J. Edward Taylor, 2001 .

Theories of international migration: a review and appraisal.

Graeme Hugo, Douglas S. Massey, J. Edward Taylor, 1993 .

An evaluation of international migration theory: the North American case.

Graeme Hugo, Douglas S. Massey, D. Massey, 1994 .