Não informado. Report on the Botanic Gardens and Their Work. Department of Science and Agriculture.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Report on the Botanic Gardens and Their Work. Georgetown: Department of Science and Agriculture.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Report on the Botanic Gardens and Their Work. Department of Science and Agriculture.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.