Singh, G., & Singh, J. (2007). Building Materials: Materials of Construction (4th ed.). Standard Publishers Distributors.
Chicago-viite (17. p.)Singh, Gurcharan, ja Jagdish Singh. Building Materials: Materials of Construction. 4th ed. Delhi: Standard Publishers Distributors, 2007.
MLA-viite (9. p.)Singh, Gurcharan, ja Jagdish Singh. Building Materials: Materials of Construction. 4th ed. Standard Publishers Distributors, 2007.
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