Symposium on Intraspecific Variations Calcutta, India, & Zoological Survey of India. (1979). Proceedings of the Symposium on Intraspecific Variations held at Calcutta on 4th Oct. 1977. Controller of Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Symposium on Intraspecific Variations Calcutta, India, و Zoological Survey of India. Proceedings of the Symposium on Intraspecific Variations Held at Calcutta on 4th Oct. 1977. Delhi: Controller of Publications, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Symposium on Intraspecific Variations Calcutta, India, و Zoological Survey of India. Proceedings of the Symposium on Intraspecific Variations Held at Calcutta on 4th Oct. 1977. Controller of Publications, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.