Ross, J. (1990). Hereford and Cholera — Why Did We Escape It? J R Coll Physicians Lond.
Chicago-стиль цитированияRoss, John. "Hereford and Cholera — Why Did We Escape It?" J R Coll Physicians Lond 1990.
MLA-цитированиеRoss, John. "Hereford and Cholera — Why Did We Escape It?" J R Coll Physicians Lond 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.