Barker, E. (1928). National character and the factors in its formation: By Ernest Barker (2nd ed.). Methuen.
Chicago-Zitierstil (17. Ausg.)Barker, Ernest. National Character and the Factors in Its Formation: By Ernest Barker. 2nd ed. London: Methuen, 1928.
MLA-Zitierstil (8. Ausg.)Barker, Ernest. National Character and the Factors in Its Formation: By Ernest Barker. 2nd ed. Methuen, 1928.
警告：這些引文格式不一定是100％准確.