Walter, H. (1971). Ecology of tropical and subtropical vegetation. Oliver and Boyd.
Citazione stile Chigago Style (17a edizione)Walter, Heinrich. Ecology of Tropical and Subtropical Vegetation. Edinburgh: Oliver and Boyd, 1971.
Citatione MLA (9a ed.)Walter, Heinrich. Ecology of Tropical and Subtropical Vegetation. Oliver and Boyd, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.