Briggs, D. J., & Courtney, F. M. (1985). Agriculture and environment: The physical geography of temperate agricultural systems. Longman.
Čikaški stil citiranja (17. izdanje)Briggs, David J., i Frank M. Courtney. Agriculture and Environment: The Physical Geography of Temperate Agricultural Systems. London ; New York: Longman, 1985.
MLA način citiranja (9. izdanje)Briggs, David J., i Frank M. Courtney. Agriculture and Environment: The Physical Geography of Temperate Agricultural Systems. Longman, 1985.
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