1. Burkholder, A. (2008). 8-limbed goddess baby becoming normal little girl. http://articles.cnn.com/2008-06-19/health/eight.limbed.girl_1_limbs-goddess-patil?_s=PM:HEALTH . Accessed August 2012.
2. DeMello, M. (2012). Faces around the world: A cultural encyclopedia of the human face. United States of America: ABC-CLIO.
3. Kaufman, M. H. (2004). The embryology of conjoined twins. Childs Nervous System, 20, 508–525.
4. Koseoglu, K., Gok, C., Dayanır, Y., & Karaman, C. (2003). CT and MR imaging findings of a rare craniofacial malformation: Diprosopus. AJR American Journal of Roentgenology, 180, 863–864.
5. Levine, M. (2012). Pantheism. http://plato.stanford.edu/archives/sum2012/entries/pantheism/ . Accessed September 2012.