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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
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