APA (7th ed.) Zitazioa
Bowles, J. E. (1988). Foundation analysis and design (4th ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Bowles, Joseph E. Foundation Analysis and Design. 4th ed. New York: McGraw-Hill, 1988.
MLA (9th ed.) Zitazioa
Bowles, Joseph E. Foundation Analysis and Design. 4th ed. McGraw-Hill, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.