Drecker, P. (2008). Landscapes for Explorers: Zoos can no longer tempt visitors with the exoticism of individual animals. Nowadays the demand is to experience animals in natural-looking landscapes suggesting their places of origin. ; The model for the Kiwara Savannah at the Leipzig Zoo in Germany was the savannah where Botswana, Zimbabwe and South Africa meet. Topos.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Drecker, Peter. "Landscapes for Explorers: Zoos Can No Longer Tempt Visitors with the Exoticism of Individual Animals. Nowadays the Demand Is to Experience Animals in Natural-looking Landscapes Suggesting Their Places of Origin. ; The Model for the Kiwara Savannah at the Leipzig Zoo in Germany Was the Savannah Where Botswana, Zimbabwe and South Africa Meet." Topos 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Drecker, Peter. "Landscapes for Explorers: Zoos Can No Longer Tempt Visitors with the Exoticism of Individual Animals. Nowadays the Demand Is to Experience Animals in Natural-looking Landscapes Suggesting Their Places of Origin. ; The Model for the Kiwara Savannah at the Leipzig Zoo in Germany Was the Savannah Where Botswana, Zimbabwe and South Africa Meet." Topos, 2008.