APA استشهاد

Babel, F. J., & Hammer, B. W. (1928). Dairy bacteriology (4.). John Wiley & Sons INC.

استشهاد بنمط شيكاغو

Babel, Frederick J., و Bernard W. Hammer. Dairy Bacteriology. 4. NewYork: John Wiley & Sons INC, 1928.

MLA استشهاد

Babel, Frederick J., و Bernard W. Hammer. Dairy Bacteriology. 4. John Wiley & Sons INC, 1928.