APA (7th ed.) Zitazioa
Singh, G. (2007). Building construction and materials (10th ed.). Standard.
Chicago Style (17th ed.) Zitazioa
Singh, Gurcharan. Building Construction and Materials. 10th ed. Delhi: Standard, 2007.
MLA (9th ed.) Zitazioa
Singh, Gurcharan. Building Construction and Materials. 10th ed. Standard, 2007.
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