Marshall, R. (2023). The physiography and vegetation of Trinidad and Tobago: A study in plant ecology. Clarendon Press, Oxford.
Lua i Stíl Chicago (17ú heag.)Marshall, R.C. The Physiography and Vegetation of Trinidad and Tobago: A Study in Plant Ecology. Clarendon Press, Oxford, 2023.
Lua MLA (9ú heag.)Marshall, R.C. The Physiography and Vegetation of Trinidad and Tobago: A Study in Plant Ecology. Clarendon Press, Oxford, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.