(1993). Applied Agricultural Research: Foundations And Methodology/chris O. Andrew And Peter E. Hildebarand. Westview Press.
Chicago-referens (17:e uppl.)Applied Agricultural Research: Foundations And Methodology/chris O. Andrew And Peter E. Hildebarand. Westview Press, 1993.
MLA-referens (8:e uppl.)Applied Agricultural Research: Foundations And Methodology/chris O. Andrew And Peter E. Hildebarand. Westview Press, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.