Cita APA (7th ed.)

S. K. Duggal. (2019). Building Materials (5th ed.). New Age International.

Cita Chicago (17th ed.)

S. K. Duggal. Building Materials. 5th ed. New Delhi: New Age International, 2019.

Cita MLA (9th ed.)

S. K. Duggal. Building Materials. 5th ed. New Age International, 2019.