Hocking, J. A., & Thomson N. R. (1981). Migration and urbanisation in West Africa.
Lua i Stíl Chicago (17ú heag.)Hocking, J. A., agus Thomson N. R. Migration and Urbanisation in West Africa. Edinburgh : Moray House College of Education, 1981.
Lua MLA (8ú heag.)Hocking, J. A., agus Thomson N. R. Migration and Urbanisation in West Africa. 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.