APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.