(1997). Exploring the moon: A teacher's guide with activities for earth and space sciences. National Aeronautics and Space Administration.
Citazione stile Chigago Style (17a edizione)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.
Citatione MLA (9a ed.)Exploring the Moon: A Teacher's Guide with Activities for Earth and Space Sciences. National Aeronautics and Space Administration, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.