Παραπομπή σε μορφή APA (7η εκδ.)
Directorate General for Health and Food Safety. (2016). Proposals and technical specifications for the use of warning messages on tobacco packages. European Commission. https://doi.org/10.2818/023237
Παραπομπή σε μορφή Chicago (17η εκδ.)
Directorate General for Health and Food Safety. Proposals and Technical Specifications for the Use of Warning Messages on Tobacco Packages. Bruselas: European Commission, 2016. https://doi.org/10.2818/023237.
Παραπομπή σε μορφή MLA (9th εκδ.)
Directorate General for Health and Food Safety. Proposals and Technical Specifications for the Use of Warning Messages on Tobacco Packages. European Commission, 2016. https://doi.org/10.2818/023237.
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