APA aipamena

Chellis, R. D. (1961). Pile Foundations. McGraw-Hill.

Chicago Style aipamena

Chellis, Robert D. Pile Foundations. McGraw-Hill, 1961.

MLA aipamena

Chellis, Robert D. Pile Foundations. McGraw-Hill, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.