They didn't acknowledge it though - that's the problem. That's not high school drama - that'll get you expelled from university for plagarism or lose you your j

They didn't acknowledge it though - that's the problem. That's not high school drama - that'll get you expelled from university for plagarism or lose you your job at a research institution. There's nothing wrong with using their work - wizard is encouraging them to use it! But you MUST attribute. If you don't, that's plagarism.