(1972). 通讯员学习材料. [不详].
Chicago Style (17th ed.) Citation通讯员学习材料. [不详], 1972.
MLA (8th ed.) Citation通讯员学习材料. [不详], 1972.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation
(1972). 通讯员学习材料. [不详].
Chicago Style (17th ed.) Citation通讯员学习材料. [不详], 1972.
MLA (8th ed.) Citation通讯员学习材料. [不详], 1972.