Köster, E. P. (1971). Adaptation and cross-adaptation in olfaction: An experimental study with olfactory stimuli at low levels of intensity. Bronder-Offset.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Köster, Egon Peter. Adaptation and Cross-adaptation in Olfaction: An Experimental Study with Olfactory Stimuli at Low Levels of Intensity. Rotterdam: Bronder-Offset, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Köster, Egon Peter. Adaptation and Cross-adaptation in Olfaction: An Experimental Study with Olfactory Stimuli at Low Levels of Intensity. Bronder-Offset, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.