APA استشهاد

Hajek, A., Kretzler, B., & König, H. (2020). Prevalence Of, and Factors Associated with, Obesity among the Oldest Old. A Study Protocol for a Systematic Review. Healthcare (Basel).

استشهاد بنمط شيكاغو

Hajek, André, Benedikt Kretzler, و Hans-Helmut König. "Prevalence Of, and Factors Associated With, Obesity Among the Oldest Old. A Study Protocol for a Systematic Review." Healthcare (Basel) 2020.

MLA استشهاد

Hajek, André, Benedikt Kretzler, و Hans-Helmut König. "Prevalence Of, and Factors Associated With, Obesity Among the Oldest Old. A Study Protocol for a Systematic Review." Healthcare (Basel) 2020.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.