1. Social penetration: The development of interpersonal relationships;Altman,1973
2. Dialectic conceptions in social psychology: An application to social penetration and privacy regulation;Altman,1981
3. Emerging adulthood: The winding road from the late teens through the twenties;Arnett,2004
4. Emerging adults in America coming of age in the 21st century;Arnett,2006
5. Research methods in anthropology: Qualitative and quantitative approaches;Bernard,2017