Lua APA (7ú heag.)

Harrison, S. Population growth, land use and deforestation in Costa Rica, 1950-1984.

Lua i Stíl Chicago (17ú heag.)

Harrison, Susan. Population Growth, Land Use and Deforestation in Costa Rica, 1950-1984.

Lua MLA (9ú heag.)

Harrison, Susan. Population Growth, Land Use and Deforestation in Costa Rica, 1950-1984.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.