Cita APA (7th ed.)
Singh, G., & Singh, J. (2010). Building Materials. Standard Publishers Distributors.
Cita Chicago (17th ed.)
Singh, Gurcharan, i Jagdish Singh. Building Materials. Delhi: Standard Publishers Distributors, 2010.
Cita MLA (9th ed.)
Singh, Gurcharan, i Jagdish Singh. Building Materials. Standard Publishers Distributors, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.