APA استشهاد

Central board of I and P ,R& D CENTRE. (1999). Coal & coal combustion in utility boilers 6-8 April, 1999,R&D centre,Noida. Central board of I and P.

استشهاد بنمط شيكاغو

Central board of I and P ,R& D CENTRE. Coal & Coal Combustion in Utility Boilers 6-8 April, 1999,R&D Centre,Noida. New Delhi: Central board of I and P, 1999.

MLA استشهاد

Central board of I and P ,R& D CENTRE. Coal & Coal Combustion in Utility Boilers 6-8 April, 1999,R&D Centre,Noida. Central board of I and P, 1999.