Reed, E. C., & Svoboda, R. F. (1957). Nebraska deep well records. University of Nebraska, Conservation and Survey Division.
Chicago Style aipamenaReed, E. C., and Richard Frank Svoboda. Nebraska Deep Well Records. Lincoln: University of Nebraska, Conservation and Survey Division, 1957.
MLA aipamenaReed, E. C., and Richard Frank Svoboda. Nebraska Deep Well Records. University of Nebraska, Conservation and Survey Division, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.