APA aipamena

JOHNSON , R. (1967). Structural Concrete R.p. Johnson. McGraw-Hill.

Chicago Style aipamena

JOHNSON , R.P. Structural Concrete R.p. Johnson. McGraw-Hill, 1967.

MLA aipamena

JOHNSON , R.P. Structural Concrete R.p. Johnson. McGraw-Hill, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.