Survey of India. Geodetic and Research Branch, International Union of Geodesy and Geophysics, & Hyderabad (India). Geophysics Research Board. (1975). National report on the geodetic and gravimetric work done in India by various organisations and institutions during the period 1971-74, presented at the sixteenth general assembly meeting of the International Union of Geodesy and Geophysics, held at Grenoble (France) between 25th August and 6th September, 1975. Survey of India.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Survey of India. Geodetic and Research Branch, International Union of Geodesy and Geophysics, و Hyderabad (India). Geophysics Research Board. National Report on the Geodetic and Gravimetric Work Done in India by Various Organisations and Institutions During the Period 1971-74, Presented at the Sixteenth General Assembly Meeting of the International Union of Geodesy and Geophysics, Held at Grenoble (France) Between 25th August and 6th September, 1975. [Dehra Dun]: Survey of India, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Survey of India. Geodetic and Research Branch, et al. National Report on the Geodetic and Gravimetric Work Done in India by Various Organisations and Institutions During the Period 1971-74, Presented at the Sixteenth General Assembly Meeting of the International Union of Geodesy and Geophysics, Held at Grenoble (France) Between 25th August and 6th September, 1975. Survey of India, 1975.