Stopes, M. C. (1934). Enduring passion: Further new contributions to the solution of sex difficulties : being the continuation of Married love (Fifth edition.). Putnam.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Stopes, Marie Carmichael. Enduring Passion: Further New Contributions to the Solution of Sex Difficulties : Being the Continuation of Married Love. Fifth edition. London: Putnam, 1934.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Stopes, Marie Carmichael. Enduring Passion: Further New Contributions to the Solution of Sex Difficulties : Being the Continuation of Married Love. Fifth edition. Putnam, 1934.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.