Oppenheim, P. E. The falling star. Hodder and Stoughton.
Cita Chicago Style (17a ed.)Oppenheim, Phillips E. The Falling Star. London: Hodder and Stoughton.
Cita MLA (9a ed.)Oppenheim, Phillips E. The Falling Star. Hodder and Stoughton.
警告：这些引文格式不一定是100％准确.