Fullerton, G. L. (1977). Historical Germanic verb morphology. de Gruyter.
芝加哥风格引文Fullerton, Gerald Lee. Historical Germanic Verb Morphology. Berlin ; New York: de Gruyter, 1977.
MLA引文Fullerton, Gerald Lee. Historical Germanic Verb Morphology. de Gruyter, 1977.
警告：这些引文格式不一定是100％准确.