Briggs, D., Courtney, F. Agriculture and environment. London etc.: Longman, 1985 XV, 441 p. : tab. 0-582-30000-2.
Briggs, D., Courtney, F. Agriculture and environment. London etc.: Longman, 1985 XV, 441 p. : tab. 0-582-30000-2.
Briggs, D., Courtney, F. (1985) Agriculture and environment, London etc.: Longman XV, 441 p. : tab. 0-582-30000-2.
Briggs, D., & Courtney, F. (1985). Agriculture and environment. The physical geography of temperate agricultural systems. London etc.: Longman, XV, 441 p. : tab.
Briggs D, Courtney F. Agriculture and environment: The physical geography of temperate agricultural systems. London etc.: Longman; 1985. p. XV, 441 p. : tab. ISBN: 0-582-30000-2.