Singh, G., & Singh, J. (1998). Building Materials: Materials of Construction (3rd ed.). Standard Publishers Distributors.
Cita Chicago (17th ed.)Singh, Gurcharan, i Jagdish Singh. Building Materials: Materials of Construction. 3rd ed. Delhi: Standard Publishers Distributors, 1998.
Cita MLA (9th ed.)Singh, Gurcharan, i Jagdish Singh. Building Materials: Materials of Construction. 3rd ed. Standard Publishers Distributors, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.