RIDPATH, I. (1982). Hamlyn encyclopedia of space. Hamlyn.
Chicagoスタイル(17版)引用形式RIDPATH, Ian. Hamlyn Encyclopedia of Space. London: Hamlyn, 1982.
MLA(9版)引用形式RIDPATH, Ian. Hamlyn Encyclopedia of Space. Hamlyn, 1982.
警告: この引用は必ずしも正確ではありません.
RIDPATH, I. (1982). Hamlyn encyclopedia of space. Hamlyn.
Chicagoスタイル(17版)引用形式RIDPATH, Ian. Hamlyn Encyclopedia of Space. London: Hamlyn, 1982.
MLA(9版)引用形式RIDPATH, Ian. Hamlyn Encyclopedia of Space. Hamlyn, 1982.