Dyfyniad APA

Yang, L., Yang, G., Zhou, M., Smith, M., Ge, H., Boreham, J., . . . Chen, Z. (2009). Body mass index and mortality from lung cancer in smokers and nonsmokers: A nationally representative prospective study of 220,000 men in China.

Dyfyniad Arddull Chicago

Yang, L., et al. Body Mass Index and Mortality from Lung Cancer in Smokers and Nonsmokers: A Nationally Representative Prospective Study of 220,000 Men in China. 2009.

Dyfyniad MLA

Yang, L., et al. Body Mass Index and Mortality from Lung Cancer in Smokers and Nonsmokers: A Nationally Representative Prospective Study of 220,000 Men in China. 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.