(1) باب اسْتِحْبَابِ الْوِتْرِ
The above mentioned tradition has also been narrated by 'Abd Allah (b. Mas'ud) through a different chain of narrators to the same effect. This version adds:
A bedouin said: What are you saying ? He replied: This is neither for you, nor for your companions. (RU)
Reference (RU): Sunan Abi Dawud 1417 (RU)
In-book reference (RU): Book 8, Hadith 2 (RU)
English translation (RU): Book 8, Hadith 1412 (RU)