IQBAL A. Bhatti. (1970). Elements of statistics. Khwaja Book Depot.
Chicago Style (17th ed.) ZitazioaIQBAL A. Bhatti. Elements of Statistics. Lahore: Khwaja Book Depot, 1970.
MLA (9th ed.) ZitazioaIQBAL A. Bhatti. Elements of Statistics. Khwaja Book Depot, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.