Groth, D. (1998). A+ Core Module study guide. Sybex ; BPB publications Inc..
Cita Chicago (17th ed.)Groth, David. A+ Core Module Study Guide. San Francisco, CA : New Delhi: Sybex ; BPB publications Inc., 1998.
Cita MLA (8th ed.)Groth, David. A+ Core Module Study Guide. Sybex ; BPB publications Inc., 1998.
Atenció: Aquestes cites poden no estar 100% correctes.