Rogers, A. (1977). Migration, urbanization, resources, and development. International Institute for Applied Systems Analysis.
Chicago-viite (17. p.)Rogers, Andrei. Migration, Urbanization, Resources, and Development. Laxenburg, Austria: International Institute for Applied Systems Analysis, 1977.
MLA-viite (8. p.)Rogers, Andrei. Migration, Urbanization, Resources, and Development. International Institute for Applied Systems Analysis, 1977.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.