1. Emerging adulthood;Arnett;Am Psychol,2000
2. Alan Guttmacher Institute. In their own right: addressing the sexual and reproductive health needs of American men [cited 2005 Nov]. Available from: http://www.guttmacher.org/us_men/us_men.pdf
3. Early adult transitions and their relations to well-being and substance use;Schulenberg,2005
4. On the Frontier of Adulthood,2005
5. Macrostructural trends and the reshaping of adolescence;Mortimer,2002