Lua APA (7ú heag.)
ebrary, Inc, & Chen, G. G. (2013). Cigarette consumption and health effects. Nova Science Publishers, Inc..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus George G. Chen. Cigarette Consumption and Health Effects. Hauppauge, N.Y.: Nova Science Publishers, Inc., 2013.
Lua MLA (9ú heag.)
ebrary, Inc, agus George G. Chen. Cigarette Consumption and Health Effects. Nova Science Publishers, Inc., 2013.
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