APA aipamena

Britton,Denis. (1990). Agriculture in Britain: Changing pressures and policies. CAB international.

Chicago Style aipamena

Britton,Denis. Agriculture in Britain: Changing Pressures and Policies. United Kingdom: CAB international, 1990.

MLA aipamena

Britton,Denis. Agriculture in Britain: Changing Pressures and Policies. CAB international, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.