Abdullah, A. (1989). Seasonal Dry Matter Production and Nitrogen Fixation of Leucaena (Leucaena Leucocephala) and Stylo (Stylosanthes Guianensis) in Pure Swards and in Association with Signal Grass (Brachiaria Decumbens).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdullah, Aminah. Seasonal Dry Matter Production and Nitrogen Fixation of Leucaena (Leucaena Leucocephala) and Stylo (Stylosanthes Guianensis) in Pure Swards and in Association with Signal Grass (Brachiaria Decumbens). 1989.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abdullah, Aminah. Seasonal Dry Matter Production and Nitrogen Fixation of Leucaena (Leucaena Leucocephala) and Stylo (Stylosanthes Guianensis) in Pure Swards and in Association with Signal Grass (Brachiaria Decumbens). 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.