(2020). 包装工程．2020,no. 21-22.
Chicago Style (17th ed.) Citation包装工程．2020,no. 21-22. 2020.
MLA (8th ed.) Citation包装工程．2020,no. 21-22. 2020.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation
(2020). 包装工程．2020,no. 21-22.
Chicago Style (17th ed.) Citation包装工程．2020,no. 21-22. 2020.
MLA (8th ed.) Citation包装工程．2020,no. 21-22. 2020.