Wahlström, G. (1965). The circadian rhythm of self-selected rest and activity in the canary and the effects of barbiturates, reserpine, monoamine oxidase inhibitors and enforced dark periods.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wahlström, Göran. The Circadian Rhythm of Self-selected Rest and Activity in the Canary and the Effects of Barbiturates, Reserpine, Monoamine Oxidase Inhibitors and Enforced Dark Periods. Uppsala, 1965.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wahlström, Göran. The Circadian Rhythm of Self-selected Rest and Activity in the Canary and the Effects of Barbiturates, Reserpine, Monoamine Oxidase Inhibitors and Enforced Dark Periods. 1965.
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