Healy, R. J. (1971). Industrial security management: A cost effective approach. American Management Association.
استشهاد بنمط شيكاغوHealy, Richard J. Industrial Security Management: A Cost Effective Approach. USA: American Management Association, 1971.
MLA استشهادHealy, Richard J. Industrial Security Management: A Cost Effective Approach. American Management Association, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.