United States. National Aeronautics and Space Administration. Problems of space biology. National Aeronautics and Space Administration : for sale by the Clearinghouse for Federal Scientific and Technical Information].
Chicago-стиль цитированияUnited States. National Aeronautics and Space Administration. Problems of Space Biology. Washington: National Aeronautics and Space Administration : for sale by the Clearinghouse for Federal Scientific and Technical Information].
MLA-цитированиеUnited States. National Aeronautics and Space Administration. Problems of Space Biology. National Aeronautics and Space Administration : for sale by the Clearinghouse for Federal Scientific and Technical Information].
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.