ebrary, Inc, Silbereisen, R. K., & Lerner, R. M. (2007). Approaches to positive youth development. Sage Publications.
芝加哥风格引文ebrary, Inc, R. K. Silbereisen, 与 Richard M. Lerner. Approaches to Positive Youth Development. Los Angeles: Sage Publications, 2007.
MLA引文ebrary, Inc, et al. Approaches to Positive Youth Development. Sage Publications, 2007.
警告：这些引文格式不一定是100％准确.