Dyfyniad APA

Azapagic, A., Emsley, A., & Hamerton, I. (2003). Polymers: :the environment and sustainable development. John Wiley & Sons.

Dyfyniad Arddull Chicago

Azapagic, Adisa, Alan Emsley, and Ian Hamerton. Polymers: :the Environment and Sustainable Development. England: John Wiley & Sons, 2003.

Dyfyniad MLA

Azapagic, Adisa, et al. Polymers: :the Environment and Sustainable Development. John Wiley & Sons, 2003.

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