Cecil, R. L., & Blake, F. G. (1920). STUDIES ON EXPERIMENTAL PNEUMONIA: IV. RESULTS OF PROPHYLACTIC VACCINATION AGAINST PNEUMOCOCCUS PNEUMONIA IN MONKEYS. The Rockefeller University Press.
استشهاد بنمط شيكاغوCecil, Russell L., و Francis G. Blake. STUDIES ON EXPERIMENTAL PNEUMONIA: IV. RESULTS OF PROPHYLACTIC VACCINATION AGAINST PNEUMOCOCCUS PNEUMONIA IN MONKEYS. The Rockefeller University Press, 1920.
MLA استشهادCecil, Russell L., و Francis G. Blake. STUDIES ON EXPERIMENTAL PNEUMONIA: IV. RESULTS OF PROPHYLACTIC VACCINATION AGAINST PNEUMOCOCCUS PNEUMONIA IN MONKEYS. The Rockefeller University Press, 1920.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.