Cita APA (7a ed.)
Mutsaers, H., & Walker, P. (1991). Onfarm research in theory and practice.
Cita Chicago Style (17a ed.)
Mutsaers, H.J.W, y P. Walker. Onfarm Research in Theory and Practice. 1991.
Cita MLA (9a ed.)
Mutsaers, H.J.W, y P. Walker. Onfarm Research in Theory and Practice. 1991.
Precaución: Estas citas no son 100% exactas.