APA aipamena

RAJU, N. Beton Pratekan ( Prestressed Concrete). McGraw-Hill.

Chicago Style aipamena

RAJU, N.krishna. Beton Pratekan ( Prestressed Concrete). McGraw-Hill.

MLA aipamena

RAJU, N.krishna. Beton Pratekan ( Prestressed Concrete). McGraw-Hill.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.