Schaaf, F. (1991). Seeing the solar system: Telescopic projects, activities, and explorations in astronomy. Wiley.
Chicagoスタイル(17版)引用形式Schaaf, Fred. Seeing the Solar System: Telescopic Projects, Activities, and Explorations in Astronomy. New York: Wiley, 1991.
MLA(8版)引用形式Schaaf, Fred. Seeing the Solar System: Telescopic Projects, Activities, and Explorations in Astronomy. Wiley, 1991.
警告: この引用は必ずしも正確ではありません.