Michie, J., & Sheehan, M. (1999). HRM practices, R&D; expenditure and innovative investment: Evidence from the UK's 1990 workplace industrial relations survey (WIRS). Oxford University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Michie, J., و M. Sheehan. HRM Practices, R&D; Expenditure and Innovative Investment: Evidence from the UK's 1990 Workplace Industrial Relations Survey (WIRS). Oxford University Press, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Michie, J., و M. Sheehan. HRM Practices, R&D; Expenditure and Innovative Investment: Evidence from the UK's 1990 Workplace Industrial Relations Survey (WIRS). Oxford University Press, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.