I'm guessing that the creator simply printed the webpage (without link on the header/footer), and has honestly referenced the source on the first comment. So pr

I'm guessing that the creator simply printed the webpage (without link on the header/footer), and has honestly referenced the source on the first comment. So probably there was no malice intended. I did however leave a Disqus comment on how they could make it clearer. The ones I could think of -- either print HTML to PDF with a link on the header, or modify the source of the page to add a note before you printing to PDF.