(2014). Occupational safety and health practices in establishments: 2010 - 2011 (last of a four-part series on industrial relations practices). Labstat Updates.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)"Occupational Safety and Health Practices in Establishments: 2010 - 2011 (last of a Four-part Series on Industrial Relations Practices)." Labstat Updates 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)"Occupational Safety and Health Practices in Establishments: 2010 - 2011 (last of a Four-part Series on Industrial Relations Practices)." Labstat Updates, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.