APA (7th ed.) Zitazioa

Briggs, D. J., & Courtney, F. M. (1985). Agriculture and environment: The physical geography of temperate agricultural systems. Longman.

Chicago Style (17th ed.) Zitazioa

Briggs, David J., eta Frank M. Courtney. Agriculture and Environment: The Physical Geography of Temperate Agricultural Systems. London ; New York: Longman, 1985.

MLA (9th ed.) Zitazioa

Briggs, David J., eta Frank M. Courtney. Agriculture and Environment: The Physical Geography of Temperate Agricultural Systems. Longman, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.