APA استشهاد

Iqbal, M. (1977). control of noise in ventilation systems: A designer's guide. E. & F. N. Spon Ltd.

استشهاد بنمط شيكاغو

Iqbal, M.A. Control of Noise in Ventilation Systems: A Designer's Guide. London: E. & F. N. Spon Ltd, 1977.

MLA استشهاد

Iqbal, M.A. Control of Noise in Ventilation Systems: A Designer's Guide. E. & F. N. Spon Ltd, 1977.