APA استشهاد

Pinfold, G. (1975). Reinforced concreate chimneys and towers. Viewpoint Pub.

استشهاد بنمط شيكاغو

Pinfold, Geoffrey.M. Reinforced Concreate Chimneys and Towers. London: Viewpoint Pub, 1975.

MLA استشهاد

Pinfold, Geoffrey.M. Reinforced Concreate Chimneys and Towers. Viewpoint Pub, 1975.