Hassard, K. (1998). The planning process in design and development reflecting the current status of athletics and recreation facilities for the specific purpose of planning these facility projects. University of Kansas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hassard, Karl. The Planning Process in Design and Development Reflecting the Current Status of Athletics and Recreation Facilities for the Specific Purpose of Planning These Facility Projects. Lawrence, Kansas: University of Kansas, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hassard, Karl. The Planning Process in Design and Development Reflecting the Current Status of Athletics and Recreation Facilities for the Specific Purpose of Planning These Facility Projects. University of Kansas, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.