APA aipamena

Patricia Ackert. (2000). Cause and effect ( Intermediate reading practice ). Tp. HCM: Trẻ.

Chicago Style aipamena

Patricia Ackert. Cause and Effect ( Intermediate Reading Practice ). Tp. HCM: Trẻ, 2000.

MLA aipamena

Patricia Ackert. Cause and Effect ( Intermediate Reading Practice ). Tp. HCM: Trẻ, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.