斯蒂德 & 张雪萌. (2019). 青蛙弗农在路上: Vernon is on his way. 二十一世纪出版社集团.
Chicago Style (17. basım) Atıf斯蒂德 ve 张雪萌. 青蛙弗农在路上: Vernon Is on His Way. 二十一世纪出版社集团, 2019.
MLA (8th ed.) Atıf斯蒂德 ve 张雪萌. 青蛙弗农在路上: Vernon Is on His Way. 二十一世纪出版社集团, 2019.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..