When citing a case with relevance to your EEOC case:
See Barnard v. United States Postal Service., EEOC Appeal No. 07A10002 (Aug. 2, 2002).
When citing the location of evidence or testimony submitted within your own EEOC case:
ROI, Exhibit 7, p. 1. See also Affidavit C, p. 15.
ROI, Affidavit A, p. 13.