APA aipamena

Woodward, R. J., & Gardner, S. W. G. (1972). Drilled Pier Foundations. McGraw-Hill.

Chicago Style aipamena

Woodward, Richard J., and S. William Greer Gardner. Drilled Pier Foundations. New York: McGraw-Hill, 1972.

MLA aipamena

Woodward, Richard J., and S. William Greer Gardner. Drilled Pier Foundations. McGraw-Hill, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.