Bowles, J. E. (1988). Foundation analysis and design. New York: McGraw-Hill.
Chicago Style aipamenaBowles, Joseph E. Foundation Analysis and Design. New York: McGraw-Hill, 1988.
MLA aipamenaBowles, Joseph E. Foundation Analysis and Design. New York: McGraw-Hill, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.