Boothroyd Jennifer. (2009). First Step Non Fiction What Is A Liquid. Lerner.
Chicagoスタイル(17版)引用形式Boothroyd Jennifer. First Step Non Fiction What Is A Liquid. UK: Lerner, 2009.
MLA(9版)引用形式Boothroyd Jennifer. First Step Non Fiction What Is A Liquid. Lerner, 2009.
警告: この引用は必ずしも正確ではありません.