APA

Jones J. R., Wallace B. J., . (1986). Social Sciences and farming system research. Boulder and London: Westview Press.

Chicago

Jones Jeffrey R, Wallace Ben J, . 1986. Social Sciences and farming system research. Boulder and London: Westview Press.

Harvard

Jones J. R., Wallace B. J., . (1986). Social Sciences and farming system research. Boulder and London: Westview Press.

MLA

Jones Jeffrey R, Wallace Ben J, . Social Sciences and farming system research. Boulder and London: Westview Press. 1986.