APA
Williams Colin, . (1992). Simple economics and bookkeeping for fish famers. Italy: FAO.
Chicago
Williams Colin, . 1992. Simple economics and bookkeeping for fish famers. Italy: FAO.
Harvard
Williams Colin, . (1992). Simple economics and bookkeeping for fish famers. Italy: FAO.
MLA
Williams Colin, . Simple economics and bookkeeping for fish famers. Italy: FAO. 1992.