APA aipamena

CARRASCO,EFFIE. (2005). UNDERSTANDING GRAMMAR RULES AND PRACTICE 2.

Chicago Style aipamena

CARRASCO,EFFIE. UNDERSTANDING GRAMMAR RULES AND PRACTICE 2. 2005.

MLA aipamena

CARRASCO,EFFIE. UNDERSTANDING GRAMMAR RULES AND PRACTICE 2. 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.