APA استشهاد

Bernard, O. (1974). Statistics in research (2nd ed.). Oxford & IBH.

استشهاد بنمط شيكاغو

Bernard, Ostle. Statistics in Research. 2nd ed. New Delhi: Oxford & IBH, 1974.

MLA استشهاد

Bernard, Ostle. Statistics in Research. 2nd ed. Oxford & IBH, 1974.