Bamford has had to remain patient since leaving Middlesbrough for Elland Road, but the forward set up Leeds's equaliser in the 2-2 draw at the Liberty Stadium.
At a press conference, Bielsa told reporters: "I'm very happy with the performance of Bamford's last game because he had an impact on the game.
"Harrison had an impact, not as important as Bamford, but he had an impact too, and Baker too. These three players gave vigour to the team."
Leeds are next in action when they face Norwich City at Carrow Road on Saturday afternoon.