(原始内容存档于2021-01-18). Willis, David K. Britain hangs on to tradition with a stiffupperlip. The Christian Science Monitor (Boston, Mass., USA: The First Church
model (psychology)) 自我控制犯罪理論(英语:Self-control theory of crime) 堅閉的上唇(英语:Stiffupperlip) 《Verbal Behavior(英语:Verbal Behavior)》 《桃源二村(英语:Walden Two)》 意志力(英语:Willpower)