Ricker, M. (2016). Tree and tree-like species of Mexico: Apocynaceae, Cactaceae, Ebenaceae, Fagaceae, and Sapotaceae. Universidad Nacional Autónoma de México.
Citazione stile Chigago Style (17a edizione)Ricker, Martin. Tree and Tree-like Species of Mexico: Apocynaceae, Cactaceae, Ebenaceae, Fagaceae, and Sapotaceae. Universidad Nacional Autónoma de México, 2016.
Citatione MLA (9a ed.)Ricker, Martin. Tree and Tree-like Species of Mexico: Apocynaceae, Cactaceae, Ebenaceae, Fagaceae, and Sapotaceae. Universidad Nacional Autónoma de México, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.