Identify the correct placing of a footnote number in the text: a. Footnote numbers are inserted just before the full stop at the end of the statement for which you want to insert the reference b. Footnote numbers are not inserted in the text and only appear at the bottom of the page where the detail of the source is given c. Footnote number precedes the first word of the statement or quote for which you want to insert the reference d. Footnote numbers are inserted after the full stop at the end of the statement for which you want to insert the reference