1. Abbie, A. A. (1957). Metrical characters of a Central Australian tribe. Oceania, 27, 220–243.
2. Aiello, L., & Dean, C. (1990). An introduction to human evolutionary anatomy. London: Academic Press.
3. Alemseged, Z., Spoor, F., Kimbel, W. H., Bobe, R., Geraads, D., Reed, D., & Wynn, J. G. (2006). A juvenile early hominin skeleton from Dikika, Ethiopia. Nature, 443, 296–301.
4. Ankel-Simons, F. (1983). A survey of living primates and their anatomy. New York: Macmillan.
5. Ankel-Simons, F. (2000). Primate anatomy. San Diego: Academic Press.