Try various keywords. For example, California trade statistics brings up several likely resources.
CSU+ is an online borrowing system available to all faculty, students, and staff at CSU Stanislaus. Books will be delivered to the library at Turlock or Stockton in 2-3 days. More information about CSU+ can be found here.
Librarians are skilled at helping students find books and articles needed for research. If you are not finding what you need, ASK!