Παραπομπή APA

Donnell, L. H. (1976). Beams, plates and shells. Mc Graw - Hill.

Παραπομπή Chicago Style

Donnell, Llyd Hamilton. Beams, Plates and Shells. New York: Mc Graw - Hill, 1976.

Παραπομπή MLA

Donnell, Llyd Hamilton. Beams, Plates and Shells. Mc Graw - Hill, 1976.