文杰林编著. 长城关隘：万里长城的著名关卡(上下). 现代出版社.
Chicago Style (17th ed.) Citation文杰林编著. 长城关隘：万里长城的著名关卡(上下). 现代出版社.
MLA (8th ed.) Citation文杰林编著. 长城关隘：万里长城的著名关卡(上下). 现代出版社.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation