APA
Sawko F., . (1978). Developments in prestressed concrete 1. London: Applied Science Publ.
Chicago
Sawko F, . 1978. Developments in prestressed concrete 1. London: Applied Science Publ.
Harvard
Sawko F., . (1978). Developments in prestressed concrete 1. London: Applied Science Publ.
MLA
Sawko F, . Developments in prestressed concrete 1. London: Applied Science Publ. 1978.