Zimmermann-Nielsen, C. (1966). Studier over absorptionen af proteinstoffer fra tyndtarmen hos katte: Studies on the absorption of proteins from the small intestine in cats, with an English summary. Universitetsforlaget.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zimmermann-Nielsen, Carl. Studier over Absorptionen Af Proteinstoffer Fra Tyndtarmen Hos Katte: Studies on the Absorption of Proteins from the Small Intestine in Cats, with an English Summary. Aarhus: Universitetsforlaget, 1966.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zimmermann-Nielsen, Carl. Studier over Absorptionen Af Proteinstoffer Fra Tyndtarmen Hos Katte: Studies on the Absorption of Proteins from the Small Intestine in Cats, with an English Summary. Universitetsforlaget, 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.