Dokumentuaren aipamena

APA aipamena

(2003). Life lines: (Pre-intermediate; Student's guide). Hà Nội: Bộ Giáo dục và Đào tạo.

Chicago Style aipamena

Life Lines: (Pre-intermediate; Student's Guide). Hà Nội: Bộ Giáo dục và Đào tạo, 2003.

MLA aipamena

Life Lines: (Pre-intermediate; Student's Guide). Hà Nội: Bộ Giáo dục và Đào tạo, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.