APA aipamena

(2003). Cleaner two and three wheelers. Manila: Asian Development Bank.

Chicago Style aipamena

Cleaner Two and Three Wheelers. Manila: Asian Development Bank, 2003.

MLA aipamena

Cleaner Two and Three Wheelers. Manila: Asian Development Bank, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.