Carroll, P. (1954). Timestudy for cost control (3rd. ed.). McGraw-Hill.
Chicago Style aipamenaCarroll, Phil. Timestudy for Cost Control. 3rd. ed. New York: McGraw-Hill, 1954.
MLA aipamenaCarroll, Phil. Timestudy for Cost Control. 3rd. ed. McGraw-Hill, 1954.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.