Tolong jelaskan mengenai Nota kaki dari Hujan-hujan dalam bahasa melayu

(2004): The Golden Rain Tree. Version of 2004-MAY-01. Retrieved 2008-MAR-31.

(2005): Albizia saman. Version 10.01, November 2005. Retrieved 2008-MAR-30.

(1815): Reise in die Aequinoctial-Gegenden des neuen Continents (Part 3). J.G. Cotta, Stuttgart and Tübingen. Image/PDF fulltext at Google Books