APA引文

(1996). Singer's world: Book 4 : for high voice. Trinity College London.

Chicago Style (17th ed.) Citation

Singer's World: Book 4 : For High Voice. London: Trinity College London, 1996.

MLA引文

Singer's World: Book 4 : For High Voice. Trinity College London, 1996.

警告：這些引文格式不一定是100％准確.