Graham, J., & Oliver, G. A. S. (1904). German commercial practice connected with the export and import trade to and from Germany: The German colonies, and the countries where German is the recognised language of commerce. Macmillan.
Chicago Style (17. basım) AtıfGraham, James, ve George A. S. Oliver. German Commercial Practice Connected with the Export and Import Trade to and from Germany: The German Colonies, and the Countries Where German Is the Recognised Language of Commerce. London, New York: Macmillan, 1904.
MLA (8th ed.) AtıfGraham, James, ve George A. S. Oliver. German Commercial Practice Connected with the Export and Import Trade to and from Germany: The German Colonies, and the Countries Where German Is the Recognised Language of Commerce. Macmillan, 1904.