APA aipamena

GREER, D. M. Construction of Drilled Pier Foundations. John Wiley & Sons.

Chicago Style aipamena

GREER, David M. Construction of Drilled Pier Foundations. John Wiley & Sons.

MLA aipamena

GREER, David M. Construction of Drilled Pier Foundations. John Wiley & Sons.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.