http://en.wikipedia.org/wiki/Youth_pledge = Bahasa Inggeris

http://id.wikipedia.org/wiki/Sumpah_Pemuda  = Bahasa Indonesia

Indonesian, modern spelling:

Pertama
Kami putra dan putri Indonesia, mengaku bertumpah darah yang satu, tanah Indonesia.
Kedua
Kami putra dan putri Indonesia, mengaku berbangsa yang satu, bangsa Indonesia.
Ketiga
Kami putra dan putri Indonesia, menjunjung tinggi bahasa persatuan, bahasa Indonesia.
 

In English:

Firstly
We the sons and daughters of Indonesia, acknowledge one motherland [Lit. "one spilling of blood"], the land of Indonesia.
Secondly
We the sons and daughters of Indonesia, acknowledge one nation, the nation of Indonesia.
Thirdly
We the sons and daughters of Indonesia, respect the language of unity, Indonesian.

http://www.seasite.niu.edu/flin/satu_nusa_satu_bangsa.htm  = link to song on YouTube by pop group Cokelat