Hollifield, J. F., & Brettell, C. (2008). Migration theory: Talking across disciplines (ed. 3.). Routledge.
Lua i Stíl Chicago (17ú heag.)Hollifield, James F., agus Caroline Brettell. Migration Theory: Talking Across Disciplines. ed. 3. New York: Routledge, 2008.
Lua MLA (9ú heag.)Hollifield, James F., agus Caroline Brettell. Migration Theory: Talking Across Disciplines. ed. 3. Routledge, 2008.