BECKMAN, P. (1995). Structural Aspects Of Building Conservation Poul Beckman. McGraw-Hill.
Chicago Style aipamenaBECKMAN, Poul. Structural Aspects Of Building Conservation Poul Beckman. McGraw-Hill, 1995.
MLA aipamenaBECKMAN, Poul. Structural Aspects Of Building Conservation Poul Beckman. McGraw-Hill, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.