«Amazon Facts» (en anglès). Project Amazonas. Arxivat de l'original el 2012-01-28. [Consulta: 3 febrer 2012]. «The average discharge of water into the Atlantic Ocean by the Amazon is approximately 175,000 m3 per second, or between 1/5th and 1/6th of the total discharge into the oceans of all of the world's rivers! This discharge is 4-5 times that of the Congo River (the second largest in ocean discharge), and 10 times that of the Mississippi.»
«Amazon Facts» (en anglès). Project Amazonas. Arxivat de l'original el 2012-01-28. [Consulta: 3 febrer 2012]. «The average discharge of water into the Atlantic Ocean by the Amazon is approximately 175,000 m3 per second, or between 1/5th and 1/6th of the total discharge into the oceans of all of the world's rivers! This discharge is 4-5 times that of the Congo River (the second largest in ocean discharge), and 10 times that of the Mississippi.»