APA (7th ed.) Zitazioa

(1998). Dietary supplements: An advertising guide for industry / Federal Trade Commission, Bureau of Consumer Protection.

Chicago Style (17th ed.) Zitazioa

Dietary Supplements: An Advertising Guide for Industry / Federal Trade Commission, Bureau of Consumer Protection. 1998.

MLA (9th ed.) Zitazioa

Dietary Supplements: An Advertising Guide for Industry / Federal Trade Commission, Bureau of Consumer Protection. 1998.

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