Não informado. (1969). Bulletin of the American Astronomical Society. American Institute of Physics.
Chicagoスタイル(17版)引用形式Não informado. Bulletin of the American Astronomical Society. New York: American Institute of Physics, 1969.
MLA(8版)引用形式Não informado. Bulletin of the American Astronomical Society. American Institute of Physics, 1969.
警告: この引用は必ずしも正確ではありません.