Wan Ahmad, W. M. S. (1997). Verification and Validation of Sampling Intensities in the Pre-Felling Inventory of a Tropical Forest in Peninsular Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wan Ahmad, Wan Mohd Shukri. Verification and Validation of Sampling Intensities in the Pre-Felling Inventory of a Tropical Forest in Peninsular Malaysia. 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wan Ahmad, Wan Mohd Shukri. Verification and Validation of Sampling Intensities in the Pre-Felling Inventory of a Tropical Forest in Peninsular Malaysia. 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.