Holtzblatt, M. A. International political risk: Historical, insurance, and accounting aspects. University Microfilms International.
芝加哥风格引文Holtzblatt, Mark A. International Political Risk: Historical, Insurance, and Accounting Aspects. Ann Arbor, Mich.: University Microfilms International.
MLA引文Holtzblatt, Mark A. International Political Risk: Historical, Insurance, and Accounting Aspects. University Microfilms International.
警告：这些引文格式不一定是100％准确.
