莎思嘉. (2019). 生日快乐: Happy birthday. 长江少年儿童出版社.
Chicago Style aipamena莎思嘉. 生日快乐: Happy Birthday. 长江少年儿童出版社, 2019.
MLA aipamena莎思嘉. 生日快乐: Happy Birthday. 长江少年儿童出版社, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena