Ungerer, G. (2008). The Mediterranean Apprenticeship of British Slavery. Editorial Verbum.
芝加哥风格引文Ungerer, Gustav. The Mediterranean Apprenticeship of British Slavery. Madrid: Editorial Verbum, 2008.
MLA引文Ungerer, Gustav. The Mediterranean Apprenticeship of British Slavery. Editorial Verbum, 2008.
警告：这些引文格式不一定是100％准确.