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