Dyfyniad APA
Summers, J. L., & Campbell, E. J. (2007). Food labeling compliance review (4th ed.). Blackwell Pub..
Dyfyniad Arddull Chicago
Summers, James L., and Elizabeth J. Campbell. Food Labeling Compliance Review. 4th ed. Ames, Iowa: Blackwell Pub., 2007.
Dyfyniad MLA
Summers, James L., and Elizabeth J. Campbell. Food Labeling Compliance Review. 4th ed. Blackwell Pub., 2007.
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