Παραπομπή APA

Guo, H., & Sa, Z. (2015). Socioeconomic Differentials in Smoking Duration among Adult Male Smokers in China: Result from the 2006 China Health and Nutrition Survey. PLoS One.

Παραπομπή Chicago Style

Guo, Hong, και Zhihong Sa. "Socioeconomic Differentials in Smoking Duration Among Adult Male Smokers in China: Result From the 2006 China Health and Nutrition Survey." PLoS One 2015.

Παραπομπή MLA

Guo, Hong, και Zhihong Sa. "Socioeconomic Differentials in Smoking Duration Among Adult Male Smokers in China: Result From the 2006 China Health and Nutrition Survey." PLoS One 2015.

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