United nations. (2018). European agreement concerning the international carriage of dangerous goods by road: ADR 2019. United nations.
Чикаго маягийн жагсаалтUnited nations. European Agreement Concerning the International Carriage of Dangerous Goods by Road: ADR 2019. New York: United nations, 2018.
MLA ишлэлUnited nations. European Agreement Concerning the International Carriage of Dangerous Goods by Road: ADR 2019. United nations, 2018.
Warning: These citations may not always be 100% accurate.