APA Баримт

UNECE. (2018). Signi: European code for signs and signals on Inland waterways. United nations.

Чикаго маягийн жагсаалт

UNECE. Signi: European Code for Signs and Signals on Inland Waterways. New York: United nations, 2018.

MLA ишлэл

UNECE. Signi: European Code for Signs and Signals on Inland Waterways. United nations, 2018.

Warning: These citations may not always be 100% accurate.