Chandrasekhar, S. (1981). A dirty filthy book: The writings of charles knowlton and annie besant on reproductive physiology and birth control and an account of the bradlaugh. University of California Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chandrasekhar, Sripati. A Dirty Filthy Book: The Writings of Charles Knowlton and Annie Besant on Reproductive Physiology and Birth Control and an Account of the Bradlaugh. Berkeley: University of California Press, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Chandrasekhar, Sripati. A Dirty Filthy Book: The Writings of Charles Knowlton and Annie Besant on Reproductive Physiology and Birth Control and an Account of the Bradlaugh. University of California Press, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.