Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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