Ebtekar, T. (1994). Motor vehicles and clean air. Sharif Journal of Civil Engineering, Vol. 10(No . 7), 37–41.
Ebtekar, T. "Motor vehicles and clean air", Sharif Journal of Civil Engineering, Vol. 10, No . 7, 1994, 37–41.
Ebtekar, T. (1994). 'Motor vehicles and clean air', Sharif Journal of Civil Engineering, Vol. 10(No . 7), pp. 37–41.
Ebtekar, T., "Motor vehicles and clean air." Sharif Journal of Civil Engineering, Vol. 10 No . 7 (1994): 37–41,
Ebtekar T. Motor vehicles and clean air. Sharif Journal of Civil Engineering. 1994;Vol. 10(No . 7):37–41 (In Persian).
