Bowen, R. (1975). Grouting in engineering practice. Wiley.
Chicago Style aipamenaBowen, Robert. Grouting in Engineering Practice. New York: Wiley, 1975.
MLA aipamenaBowen, Robert. Grouting in Engineering Practice. Wiley, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.