Concio, P. L., Piano, C. Q., & Tobias, F. Gerodontology: Is it necessary? S.Y. 1996-1997.
芝加哥风格引文Concio, Pamela L., Cecille Q. Piano, 与 Femme Tobias. Gerodontology: Is It Necessary? S.Y. 1996-1997.
MLA引文Concio, Pamela L., et al. Gerodontology: Is It Necessary? S.Y. 1996-1997.
警告：这些引文格式不一定是100％准确.