National Geophysical Research Institute (India). (1977). Observatories' data of the National Geophysical Research Institute, Hyderabad. National Geophysical Research Institute].
Cita Chicago Style (17a ed.)National Geophysical Research Institute (India). Observatories' Data of the National Geophysical Research Institute, Hyderabad. [Hyderabad, India: National Geophysical Research Institute], 1977.
Cita MLA (8a ed.)National Geophysical Research Institute (India). Observatories' Data of the National Geophysical Research Institute, Hyderabad. National Geophysical Research Institute], 1977.
Precaución: Estas citas no son 100% exactas.