Williams, D. B. (1957). Economic and technical problems of Australia's rural industries. Melbourne University Press.
Chicago-viite (17. p.)Williams, Donald Birtall. Economic and Technical Problems of Australia's Rural Industries. [Carlton]: Melbourne University Press, 1957.
MLA-viite (9. p.)Williams, Donald Birtall. Economic and Technical Problems of Australia's Rural Industries. Melbourne University Press, 1957.
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