(1997). Exploring the moon: A teacher's guide with activities for earth and space sciences. National Aeronautics and Space Administration.
Chicago-viite (17. p.)Exploring the Moon: A Teacher's Guide with Activities for Earth and Space Sciences. Washington, DC, Office of Space Science: National Aeronautics and Space Administration, 1997.
MLA-viite (9. p.)Exploring the Moon: A Teacher's Guide with Activities for Earth and Space Sciences. National Aeronautics and Space Administration, 1997.
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