APA (7th ed.) Zitazioa
Gupta, J. B. (2006). Electrical installation estimating and costing (8th ed.). S. K. Kataria.
Chicago Style (17th ed.) Zitazioa
Gupta, J. B. Electrical Installation Estimating and Costing. 8th ed. New Delhi: S. K. Kataria, 2006.
MLA (9th ed.) Zitazioa
Gupta, J. B. Electrical Installation Estimating and Costing. 8th ed. S. K. Kataria, 2006.
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