Ease up Binos,
It's not really plagiarism!
He did refer to 'textbooks'. That's a citation of sorts.........................not exactly as per Harvard though..................
'and I'll just add I have worked in the commercial field in several jobs'
.......... ahhh, let me think.... 'Would you like fries with that?' (and my congratulations for working part-time to subsidise your degree, more people should do it)
I tend to agree with Three Bars' evaluation.
:-)