Citazione Stile APA (7a Edizione)

(2002). A+ certification study guide (4th ed.). Osborne/McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

A+ Certification Study Guide. 4th ed. Berkeley, Calif: Osborne/McGraw-Hill, 2002.

Citatione MLA (9a ed.)

A+ Certification Study Guide. 4th ed. Osborne/McGraw-Hill, 2002.