APA引文

Grenough, M. Sing it learn english through song: Text/workbook level six.

Chicago Style (17th ed.) Citation

Grenough, Millie. Sing It Learn English Through Song: Text/workbook Level Six.

MLA引文

Grenough, Millie. Sing It Learn English Through Song: Text/workbook Level Six.

警告：這些引文格式不一定是100％准確.