van Sas, N., & Witte, E. (1992). Historical research in the low countries. Den Haag: Nederlands Historisch Genootschap.
芝加哥风格引文van Sas, N.C.F., 与 E. Witte. Historical Research in the Low Countries. Den Haag: Nederlands Historisch Genootschap, 1992.
MLA引文van Sas, N.C.F., 与 E. Witte. Historical Research in the Low Countries. Den Haag: Nederlands Historisch Genootschap, 1992.
警告：这些引文格式不一定是100％准确.