贝斯蔻 & 马阳阳. (2021). 奥利去滑雪: Ollie's ski trip. 北京联合出版公司.
Chicago Style (17th ed.) Citation贝斯蔻 and 马阳阳. 奥利去滑雪: Ollie's Ski Trip. 北京联合出版公司, 2021.
MLA (8th ed.) Citation贝斯蔻 and 马阳阳. 奥利去滑雪: Ollie's Ski Trip. 北京联合出版公司, 2021.
Warning: These citations may not always be 100% accurate.