HAWKING STEPHEN. (2001). UNIVERSE IN A NUTSHELL. BANTAM BOOKS.
Chicagoスタイル(17版)引用形式HAWKING STEPHEN. UNIVERSE IN A NUTSHELL. NEW YORK: BANTAM BOOKS, 2001.
MLA(9版)引用形式HAWKING STEPHEN. UNIVERSE IN A NUTSHELL. BANTAM BOOKS, 2001.
警告: この引用は必ずしも正確ではありません.