Kerr, L., & Lewis Kerr. (1998). Apollo mission. Oxford: University of Oxford Press.
Trích dẫn kiểu ChicagoKerr, Lewis, và Lewis Kerr. Apollo Mission. Oxford: University of Oxford Press, 1998.
Deismireacht MLAKerr, Lewis, và Lewis Kerr. Apollo Mission. Oxford: University of Oxford Press, 1998.
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