Kong, I. W. (2019). Sleepiness and tiredness among doctors working in a tertiary hospital: Is it work related or is there underlying sleep disorders?
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kong, Imelda Wei. Sleepiness and Tiredness Among Doctors Working in a Tertiary Hospital: Is It Work Related or Is There Underlying Sleep Disorders? 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kong, Imelda Wei. Sleepiness and Tiredness Among Doctors Working in a Tertiary Hospital: Is It Work Related or Is There Underlying Sleep Disorders? 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.