ROBERTS REBECCA. (2003). THE GOOD GRAMMAR H B PRIMARY 3-4 (1st.). FEDERAL PUBLICATIONS.
芝加哥风格引文ROBERTS REBECCA. THE GOOD GRAMMAR H B PRIMARY 3-4. 1st. SINGAPORE: FEDERAL PUBLICATIONS, 2003.
MLA引文ROBERTS REBECCA. THE GOOD GRAMMAR H B PRIMARY 3-4. 1st. FEDERAL PUBLICATIONS, 2003.
警告：这些引文格式不一定是100％准确.