Environmental Engineering Division Board. Journal of the Institution of Engineers (India). Environmental Engineering Division Board.
استشهاد بنمط شيكاغوEnvironmental Engineering Division Board. Journal of the Institution of Engineers (India). India: Environmental Engineering Division Board.
MLA استشهادEnvironmental Engineering Division Board. Journal of the Institution of Engineers (India). Environmental Engineering Division Board.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.