Bogner Jean, Abdelrafie Ahmed Mohammed, Diaz Cristobal, Faaij Andre, Gao Qingxian, Hashimoto Seiji, . . . B. Metz, O. D. Waste management. (Chapter 10).
Lua i Stíl Chicago (17ú heag.)Bogner Jean, et al. Waste Management. (Chapter 10).
Lua MLA (9ú heag.)Bogner Jean, et al. Waste Management. (Chapter 10).
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.