Tweddle, I. (2000). Simson on porisms: An annotated translation of Robert Simson's posthumous treatise on porisms and other items on this subject. Springer.
استشهاد بنمط شيكاغوTweddle, Ian. Simson on Porisms: An Annotated Translation of Robert Simson's Posthumous Treatise on Porisms and Other Items on This Subject. London ; New York: Springer, 2000.
MLA استشهادTweddle, Ian. Simson on Porisms: An Annotated Translation of Robert Simson's Posthumous Treatise on Porisms and Other Items on This Subject. Springer, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.