Hzn, D. B. (1972). Seedlings of some tropical trees and shrubs mainly of South East Asia. Centre for Agricultural Publishing and Documentation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hzn, D. Burger. Seedlings of Some Tropical Trees and Shrubs Mainly of South East Asia. Wageningen: Centre for Agricultural Publishing and Documentation, 1972.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hzn, D. Burger. Seedlings of Some Tropical Trees and Shrubs Mainly of South East Asia. Centre for Agricultural Publishing and Documentation, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.