APA引文

Boothroyd Jennifer. First Step Non Fiction What is A Gas. Lerner.

Chicago Style (17th ed.) Citation

Boothroyd Jennifer. First Step Non Fiction What Is A Gas. 2007 2007: Lerner.

MLA引文

Boothroyd Jennifer. First Step Non Fiction What Is A Gas. Lerner.

警告：這些引文格式不一定是100％准確.