Παραπομπή APA

Central excise tariff (working schedule). 1969. Statistics & Intelligence Branch Central Excise.

Παραπομπή Chicago Style

Central Excise Tariff (working Schedule). 1969. New Delhi: Statistics & Intelligence Branch Central Excise.

Παραπομπή MLA

Central Excise Tariff (working Schedule). 1969. Statistics & Intelligence Branch Central Excise.