Cita APA (7th ed.)

Shelton, C. (2006). Electrical installations for level 3. Nelson Thornes.

Cita Chicago (17th ed.)

Shelton, Christopher. Electrical Installations for Level 3. Cheltenham, UK: Nelson Thornes, 2006.

Cita MLA (8th ed.)

Shelton, Christopher. Electrical Installations for Level 3. Nelson Thornes, 2006.