Seminar on Fertiliser Production and Technology Delhi, Fertiliser Association of India, & Alexander, T. M. (1970). Seminar on Fertiliser Production and Technology: Proceedings of the Seminar ... organised by the Fertiliser Association of India at New Delhi, December 14-16, 1969. Fertiliser Association of India.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Seminar on Fertiliser Production and Technology Delhi, Fertiliser Association of India, و T. M. Alexander. Seminar on Fertiliser Production and Technology: Proceedings of the Seminar ... Organised by the Fertiliser Association of India at New Delhi, December 14-16, 1969. New Delhi: Fertiliser Association of India, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Seminar on Fertiliser Production and Technology Delhi, et al. Seminar on Fertiliser Production and Technology: Proceedings of the Seminar ... Organised by the Fertiliser Association of India at New Delhi, December 14-16, 1969. Fertiliser Association of India, 1970.