Friters, G. M. (1949). Outer Mongolia and its international position. Johns Hopkins Press.
芝加哥风格引文Friters, Gerard Martin. Outer Mongolia and Its International Position. Baltimore: Johns Hopkins Press, 1949.
MLA引文Friters, Gerard Martin. Outer Mongolia and Its International Position. Johns Hopkins Press, 1949.
警告：这些引文格式不一定是100％准确.