Não informado. Bibliography on smoking and health. National Library of Medicine, National Clearing House for Smoking and.
Citação do estilo Chicago (17ª ed.)Não informado. Bibliography on Smoking and Health. Washington: National Library of Medicine, National Clearing House for Smoking and.
Citação MLA (8ª ed.)Não informado. Bibliography on Smoking and Health. National Library of Medicine, National Clearing House for Smoking and.
警告：這些引文格式不一定是100％准確.