Kerrod, R. (1997). Macmillan Encyclopedia of Science 10: Transportation ; From The Bicycle to Spacecraft. Macmillan Reference.
استشهاد بنمط شيكاغوKerrod, Robin. Macmillan Encyclopedia of Science 10: Transportation ; From The Bicycle to Spacecraft. Macmillan Reference, 1997.
MLA استشهادKerrod, Robin. Macmillan Encyclopedia of Science 10: Transportation ; From The Bicycle to Spacecraft. Macmillan Reference, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.