Bowbrick, P. (1992). The economics of quality, grades, and brands. Routledge.
Chicago-viite (17. p.)Bowbrick, Peter. The Economics of Quality, Grades, and Brands. London: Routledge, 1992.
MLA-viite (9. p.)Bowbrick, Peter. The Economics of Quality, Grades, and Brands. Routledge, 1992.
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