Harvey, J., & Harvey, M. (1967). Producing and spending. Macmillan.
Chicago Style aipamenaHarvey, J., and M. Harvey. Producing and Spending. London: Macmillan, 1967.
MLA aipamenaHarvey, J., and M. Harvey. Producing and Spending. Macmillan, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.