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