马永佳. 寻找守护神: Looking for your angle. 河北少年儿童出版社.
Chicago Style (17th ed.) Citation马永佳. 寻找守护神: Looking for Your Angle. 河北少年儿童出版社.
MLA (8th ed.) Citation马永佳. 寻找守护神: Looking for Your Angle. 河北少年儿童出版社.
Warning: These citations may not always be 100% accurate.