Trích dẫn APA

Frederick, C. B., Snellman, K., & Putnam, R. D. (2014). Reply to Gao et al: Racial composition does not explain increasing class gaps in obesity. National Academy of Sciences.

Trích dẫn kiểu Chicago

Frederick, Carl B., Kaisa Snellman, và Robert D. Putnam. Reply to Gao Et Al: Racial Composition Does Not Explain Increasing Class Gaps in Obesity. National Academy of Sciences, 2014.

Trích dẫn MLA

Frederick, Carl B., Kaisa Snellman, và Robert D. Putnam. Reply to Gao Et Al: Racial Composition Does Not Explain Increasing Class Gaps in Obesity. National Academy of Sciences, 2014.

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