Habberton, J. (1897). Trif and Trixy: A story of a dreadfully delightful little girl and her adoring and tormented parents, relations and friends. H. Altemus.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Habberton, John. Trif and Trixy: A Story of a Dreadfully Delightful Little Girl and Her Adoring and Tormented Parents, Relations and Friends. Philadelphia: H. Altemus, 1897.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Habberton, John. Trif and Trixy: A Story of a Dreadfully Delightful Little Girl and Her Adoring and Tormented Parents, Relations and Friends. H. Altemus, 1897.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.