Aspán, A. (1990). Purification and some properties of a prophenoloxidase, a serine proteinase and a serine proteinase inhibitor from crayfish haemolymph. Uppsala University ; Distributor, Almqvist and Wiksell International.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Aspán, Anna. Purification and Some Properties of a Prophenoloxidase, a Serine Proteinase and a Serine Proteinase Inhibitor from Crayfish Haemolymph. Uppsala : Stockholm, Sweden: Uppsala University ; Distributor, Almqvist and Wiksell International, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Aspán, Anna. Purification and Some Properties of a Prophenoloxidase, a Serine Proteinase and a Serine Proteinase Inhibitor from Crayfish Haemolymph. Uppsala University ; Distributor, Almqvist and Wiksell International, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.