ALLEN, R. G. D. (1966). Statistics for economists. Hutchinson.
Chicago Style (17th ed.) ZitazioaALLEN, Roy George Douglas. Statistics for Economists. London: Hutchinson, 1966.
MLA (9th ed.) ZitazioaALLEN, Roy George Douglas. Statistics for Economists. Hutchinson, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.