Butler, RA (2006). „Belize forest information and data”. Tropical rainforests: deforestation rates tables and charts. Menlo Park, California: Mongabay.com. Приступљено 1. 1. 2015.
Butler, RA (2006). „Costa Rica forest information and data”. Tropical rainforests: deforestation rates tables and charts. Menlo Park, California: Mongabay.com. Приступљено 1. 1. 2015.
Butler, RA (2006). „El Salvador forest information and data”. Tropical rainforests: deforestation rates tables and charts. Menlo Park, California: Mongabay.com. Приступљено 1. 1. 2015.
Butler, RA (2006). „Guatemala forest information and data”. Tropical rainforests: deforestation rates tables and charts. Menlo Park, California: Mongabay.com. Приступљено 1. 1. 2015.
Butler, RA (2006). „Honduras forest information and data”. Tropical rainforests: deforestation rates tables and charts. Menlo Park, California: Mongabay.com. Приступљено 1. 1. 2015.
Butler, RA (2006). „Nicaragua forest information and data”. Tropical rainforests: deforestation rates tables and charts. Menlo Park, California: Mongabay.com. Приступљено 1. 1. 2015.
Butler, RA (2006). „Panama forest information and data”. Tropical rainforests: deforestation rates tables and charts. Menlo Park, California: Mongabay.com. Приступљено 1. 1. 2015.