Dyfyniad APA

Goodship, V. Introduction to plastics recycling (2nd ed.). Smithers Rapra.

Dyfyniad Arddull Chicago

Goodship, Vannessa. Introduction to Plastics Recycling. 2nd ed. United Kingdom: Smithers Rapra.

Dyfyniad MLA

Goodship, Vannessa. Introduction to Plastics Recycling. 2nd ed. Smithers Rapra.

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