Castro, F. d., Dijck, P. v., & Hogenboom, B. The extraction and conservation of natural resources in South America: Recents trends and challenges.
Lua i Stíl Chicago (17ú heag.)Castro, Fábio de, Pitou van Dijck, agus Barbara Hogenboom. The Extraction and Conservation of Natural Resources in South America: Recents Trends and Challenges.
Lua MLA (9ú heag.)Castro, Fábio de, et al. The Extraction and Conservation of Natural Resources in South America: Recents Trends and Challenges.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.