"Contact Editor". International Fire Service Journal of Leadership and Management. Fire Protection Publications, Oklahoma State University. مؤرشف من الأصل في 2019-02-07. اطلع عليه بتاريخ 2016-09-13.
"Emeritus Faculty". Oklahoma State University Department of Political Science. Oklahoma State University. مؤرشف من الأصل في 2016-09-21. اطلع عليه بتاريخ 2016-09-13.
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"Contact Editor". International Fire Service Journal of Leadership and Management. Fire Protection Publications, Oklahoma State University. مؤرشف من الأصل في 2019-02-07. اطلع عليه بتاريخ 2016-09-13.
"Emeritus Faculty". Oklahoma State University Department of Political Science. Oklahoma State University. مؤرشف من الأصل في 2016-09-21. اطلع عليه بتاريخ 2016-09-13.