Taylor, P. J. (1969). Some international trends in sickness absence 1950–68.
Chicago Style aipamenaTaylor, P. J. Some International Trends in Sickness Absence 1950–68. 1969.
MLA aipamenaTaylor, P. J. Some International Trends in Sickness Absence 1950–68. 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.