Kachan, D., Fleming, L. E., Christ, S., Muennig, P., Prado, G., Tannenbaum, S. L., . . . Lee, D. J. (2015). Health Status of Older US Workers and Nonworkers, National Health Interview Survey, 1997–2011. Prev Chronic Dis.
استشهاد بنمط شيكاغوKachan, Diana, Lora E. Fleming, Sharon Christ, Peter Muennig, Guillermo Prado, Stacey L. Tannenbaum, Xuan Yang, Alberto J. Caban-Martinez, و David J. Lee. "Health Status of Older US Workers and Nonworkers, National Health Interview Survey, 1997–2011." Prev Chronic Dis 2015.
MLA استشهادKachan, Diana, et al. "Health Status of Older US Workers and Nonworkers, National Health Interview Survey, 1997–2011." Prev Chronic Dis 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.