Rivera Sheila. (2007). Pull Ahead Biographies Books Alexander Graha. Lerner.
Chicagoスタイル(17版)引用形式Rivera Sheila. Pull Ahead Biographies Books Alexander Graha. UK: Lerner, 2007.
MLA(9版)引用形式Rivera Sheila. Pull Ahead Biographies Books Alexander Graha. Lerner, 2007.
警告: この引用は必ずしも正確ではありません.