Hishamshah Mohd Ibrahim. (1994). Childhood asthma, respiratory illness and peak expiratory flow rate in 7-12 year old children of rural Kuala Tahan Village, National Forest Reserve of Malaysia. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hishamshah Mohd Ibrahim. Childhood Asthma, Respiratory Illness and Peak Expiratory Flow Rate in 7-12 Year Old Children of Rural Kuala Tahan Village, National Forest Reserve of Malaysia. Kuala Lumpur: Universiti Kebangsaan Malaysia, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hishamshah Mohd Ibrahim. Childhood Asthma, Respiratory Illness and Peak Expiratory Flow Rate in 7-12 Year Old Children of Rural Kuala Tahan Village, National Forest Reserve of Malaysia. Universiti Kebangsaan Malaysia, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.