Kirk, R. B. (1969). An inquiry into the elements of time and space in Spenser's The Faerie queene. Graduate Division, Kansas State Teachers College.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kirk, Ruby Brandley. An Inquiry into the Elements of Time and Space in Spenser's The Faerie Queene. Emporia: Graduate Division, Kansas State Teachers College, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kirk, Ruby Brandley. An Inquiry into the Elements of Time and Space in Spenser's The Faerie Queene. Graduate Division, Kansas State Teachers College, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.