APA aipamena

BECKMANN, P. Structural Aspects Of Building Conservation Poul Backmann. s.n.

Chicago Style aipamena

BECKMANN, Poul. Structural Aspects Of Building Conservation Poul Backmann. s.n.

MLA aipamena

BECKMANN, Poul. Structural Aspects Of Building Conservation Poul Backmann. s.n.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.