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