Hill, C. N. (2001). A vertical empire: The history of the UK rocket and space programme, 1950-1971. Imperial College Press ; World Scientific Pub. [distributor].
Chicago-viite (17. p.)Hill, C. N. A Vertical Empire: The History of the UK Rocket and Space Programme, 1950-1971. London : River Edge, NJ: Imperial College Press ; World Scientific Pub. [distributor], 2001.
MLA-viite (9. p.)Hill, C. N. A Vertical Empire: The History of the UK Rocket and Space Programme, 1950-1971. Imperial College Press ; World Scientific Pub. [distributor], 2001.
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