Griffith, G. R., & Gill, R. (1984). The effects of concentration and vertical integration of profits and margins: A review. Department of Agriculture, New South Wales.

Griffith, Garry R., and Rod Gill. The Effects of Concentration and Vertical Integration of Profits and Margins: A Review. [Sydney]: Department of Agriculture, New South Wales, 1984.

Griffith, Garry R., and Rod Gill. The Effects of Concentration and Vertical Integration of Profits and Margins: A Review. Department of Agriculture, New South Wales, 1984.