Groth, D. (1998). A+ Core Module study guide. Sybex ; BPB publications Inc..
Lua i Stíl Chicago (17ú heag.)Groth, David. A+ Core Module Study Guide. San Francisco, CA : New Delhi: Sybex ; BPB publications Inc., 1998.
Lua MLA (8ú heag.)Groth, David. A+ Core Module Study Guide. Sybex ; BPB publications Inc., 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.