Michael W. Graves. (2006). The complete guide to A+ certification. Clifton Park, N.Y: Thomson/Delmar Learning.
Παραπομπή Chicago StyleMichael W. Graves. The Complete Guide to A+ Certification. Clifton Park, N.Y: Thomson/Delmar Learning, 2006.
Παραπομπή MLAMichael W. Graves. The Complete Guide to A+ Certification. Clifton Park, N.Y: Thomson/Delmar Learning, 2006.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.