(2014). Safety and health in the workplace... measures of safety performance (last of a four-part series). Labstat Updates.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)"Safety and Health in the Workplace... Measures of Safety Performance (last of a Four-part Series)." Labstat Updates 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)"Safety and Health in the Workplace... Measures of Safety Performance (last of a Four-part Series)." Labstat Updates, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.