APA aipamena

Bull, W. J. (1991). Precast Concrete Raft Units. Blackie.

Chicago Style aipamena

Bull, W. John. Precast Concrete Raft Units. Glasgow: Blackie, 1991.

MLA aipamena

Bull, W. John. Precast Concrete Raft Units. Blackie, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.