APA-referens (7:e uppl.)

ROBERTS REBECCA. (2003). THE GOOD GRAMMAR H B PRIMARY 3-4 (1st.). FEDERAL PUBLICATIONS.

Chicago-referens (17:e uppl.)

ROBERTS REBECCA. THE GOOD GRAMMAR H B PRIMARY 3-4. 1st. SINGAPORE: FEDERAL PUBLICATIONS, 2003.

MLA-referens (9:e uppl.)

ROBERTS REBECCA. THE GOOD GRAMMAR H B PRIMARY 3-4. 1st. FEDERAL PUBLICATIONS, 2003.