贝利 & 劳. (2020). 飞翔的圆: Leo and the circles. 北京联合出版公司.
Chicago Style (17th ed.) Citation贝利 and 劳. 飞翔的圆: Leo and the Circles. 北京联合出版公司, 2020.
MLA (8th ed.) Citation贝利 and 劳. 飞翔的圆: Leo and the Circles. 北京联合出版公司, 2020.
Warning: These citations may not always be 100% accurate.