Harrison, B. M. (1986). A study of the planning and design principles involved in the development of mammal exhibits in a tropical zoo.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harrison, Bernard Ming-Deh. A Study of the Planning and Design Principles Involved in the Development of Mammal Exhibits in a Tropical Zoo. 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Harrison, Bernard Ming-Deh. A Study of the Planning and Design Principles Involved in the Development of Mammal Exhibits in a Tropical Zoo. 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.