Não informado. (2009). Proceedings of the Annual Convention of the American Psychological Association. American Psychological Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Proceedings of the Annual Convention of the American Psychological Association. Washington: American Psychological Association, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Proceedings of the Annual Convention of the American Psychological Association. American Psychological Association, 2009.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.