Foster, P. W. (1967). Research on agricultural development in North-Africa. New york.
Chicago-stil citatFoster, Philip W. Research on Agricultural Development in North-Africa. Agricultural development council,inc: New york, 1967.
MLA-referensFoster, Philip W. Research on Agricultural Development in North-Africa. New york, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.