Dyfyniad APA

Universal. (2024). THE AIR (PREVENTION AND CONTROL OF POLLUTION) ACT, 1981. Lexis Nexis.

Dyfyniad Arddull Chicago

Universal. THE AIR (PREVENTION AND CONTROL OF POLLUTION) ACT, 1981. Lexis Nexis, 2024.

Dyfyniad MLA

Universal. THE AIR (PREVENTION AND CONTROL OF POLLUTION) ACT, 1981. Lexis Nexis, 2024.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.