APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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