Cita APA (7th ed.)
Gupta, J. B. (2006). Electrical installation estimating and costing (8th ed.). S. K. Kataria.
Cita Chicago (17th ed.)
Gupta, J. B. Electrical Installation Estimating and Costing. 8th ed. New Delhi: S. K. Kataria, 2006.
Cita MLA (9th ed.)
Gupta, J. B. Electrical Installation Estimating and Costing. 8th ed. S. K. Kataria, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.