Haldemann, M. (1999). Salivary cortisol concentrations after awakening: Stress-induced psychophysiological reactions to an academic examination, and test performance.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Haldemann, Maja. Salivary Cortisol Concentrations After Awakening: Stress-induced Psychophysiological Reactions to an Academic Examination, and Test Performance. 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Haldemann, Maja. Salivary Cortisol Concentrations After Awakening: Stress-induced Psychophysiological Reactions to an Academic Examination, and Test Performance. 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.