1. Attachments beyond infancy.
2. Behavioral science, religion, and mental health
3. The inventory of parent and peer attachment: Individual differences and their relationship to psychological well-being in adolescence
4. Arndt, William, F. Wilbur Gingrich, Frederick W. Danker, dan Walter Bauer. “Εκτρεφω.” A Greek-English Lexicon of The New Testament and Other Early Christian Literature. Chicago: University of Chicago Press, 1979.
5. Arndt, William, F. Wilbur Gingrich, Frederick W. Danker, dan Walter Bauer. “Μη.” A Greek-English Lexicon of The New Testament and Other Early Christian Literature. Chicago: University of Chicago Press, 1979.