APA (7 वां संस्करण) प्रशस्ति पत्र
Raggatt, P. C. M., & Williams, S. (1999). Government, markets, and vocational qualifications: An anatomy of policy. Falmer Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Raggatt, Peter C. M., और Steve Williams. Government, Markets, and Vocational Qualifications: An Anatomy of Policy. New York: Falmer Press, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Raggatt, Peter C. M., और Steve Williams. Government, Markets, and Vocational Qualifications: An Anatomy of Policy. Falmer Press, 1999.
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