Khalu, A. (1993). Concrete sulfide. Sharif Journal of Mechanical Engineering, 9(5), 88–89.
Khalu, A. "Concrete sulfide", Sharif Journal of Mechanical Engineering, 9, 5, 1993, 88–89.
Khalu, A. (1993). 'Concrete sulfide', Sharif Journal of Mechanical Engineering, 9(5), pp. 88–89.
Khalu, A., "Concrete sulfide." Sharif Journal of Mechanical Engineering, 9 5 (1993): 88–89,
Khalu A. Concrete sulfide. Sharif Journal of Mechanical Engineering. 1993;9(5):88–89 (In Persian).
