Sławomir Kasperczyk, Michał Dobrakowski, Janusz Kasperczyk, Ewa Romuk, Adam Prokopowicz, & Ewa Birkner. (2014). The influence of β-carotene on homocysteine level and oxidative stress in lead-exposed workers. Nofer Institute of Occupational Medicine.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sławomir Kasperczyk, Michał Dobrakowski, Janusz Kasperczyk, Ewa Romuk, Adam Prokopowicz, و Ewa Birkner. The Influence of β-carotene on Homocysteine Level and Oxidative Stress in Lead-exposed Workers. Nofer Institute of Occupational Medicine, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sławomir Kasperczyk, et al. The Influence of β-carotene on Homocysteine Level and Oxidative Stress in Lead-exposed Workers. Nofer Institute of Occupational Medicine, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.