Salman, T., Carillo, F., & Soruco, C. Cooperative organization and balsa mining in Bolivia.
Lua i Stíl Chicago (17ú heag.)Salman, Ton, Felix Carillo, agus Carola Soruco. Cooperative Organization and Balsa Mining in Bolivia.
Lua MLA (9ú heag.)Salman, Ton, et al. Cooperative Organization and Balsa Mining in Bolivia.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.