Lua APA (7ú heag.)

Norwahida Binti Zakaria. (2016). The effect of recycling to the properties of different brands of polyethylene terephthalate (pet) bottle. School of Material Engineering, University Malaysia Perlis.

Lua i Stíl Chicago (17ú heag.)

Norwahida Binti Zakaria. The Effect of Recycling to the Properties of Different Brands of Polyethylene Terephthalate (pet) Bottle. Perlis, Malaysia: School of Material Engineering, University Malaysia Perlis, 2016.

Lua MLA (8ú heag.)

Norwahida Binti Zakaria. The Effect of Recycling to the Properties of Different Brands of Polyethylene Terephthalate (pet) Bottle. School of Material Engineering, University Malaysia Perlis, 2016.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.