Abbreviations of mathematical variables have to be italicised.
Which kind of list would you choose? A lettered, numbered, or bulleted list?
If you hesitate , refer to the table:
Punctuation and capitalization after punctuation represent another relevant issue if you search the best grammar for your paper:
The American Psychological Association blog gives you timeline advices on this matter.
Does the punctuation must be placed inside or outside the quotation marks? the answer is here.