Long, L. H., & Frey, W. H. (1982). Migration and settlement. International Institute for Applied Systems Analysis.
Style de citation Chicago (17e éd.)Long, Larry H., et William H. Frey. Migration and Settlement. Laxenburg: International Institute for Applied Systems Analysis, 1982.
Style de citation MLA (9e éd.)Long, Larry H., et William H. Frey. Migration and Settlement. International Institute for Applied Systems Analysis, 1982.
Attention : ces citations peuvent ne pas être correctes à 100%.