Use test cases and the debugger as resources. Additionally use resources other than yourself (e.g. books, Web, people).
However, students are citing "TAs" as resources. I'd recommend saying "these resources must be external to the class (not TAs, lecture, or slide sets)."
The lab document says the following:
However, students are citing "TAs" as resources. I'd recommend saying "these resources must be external to the class (not TAs, lecture, or slide sets)."