Aguilar, V. (2001). Selective weed and ground cover management in a coffee plantation with shade trees in Nicaragua.
Chicago-referens (17:e uppl.)Aguilar, Victor. Selective Weed and Ground Cover Management in a Coffee Plantation with Shade Trees in Nicaragua. 2001.
MLA-referens (8:e uppl.)Aguilar, Victor. Selective Weed and Ground Cover Management in a Coffee Plantation with Shade Trees in Nicaragua. 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.