Strassburger, R. B. (1934). Pennsylvania German Pioneers. Pennsylvania German Soc..
Chicagoスタイル(17版)引用形式Strassburger, Ralph Beaver. Pennsylvania German Pioneers. Norristown, Penns.: Pennsylvania German Soc., 1934.
MLA(8版)引用形式Strassburger, Ralph Beaver. Pennsylvania German Pioneers. Pennsylvania German Soc., 1934.
警告: この引用は必ずしも正確ではありません.