Capper, P. L., & Cassie Fisher, W. G. (1980). Problems in Engineering Soil (3rd ed.). E & F. N Spon.
Chicago Style aipamenaCapper, P Leonard, and W Geddes Cassie Fisher. Problems in Engineering Soil. 3rd ed. London: E & F. N Spon, 1980.
MLA aipamenaCapper, P Leonard, and W Geddes Cassie Fisher. Problems in Engineering Soil. 3rd ed. E & F. N Spon, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.