APA (7e ed.) Bronvermelding

Não informado. Nation's Schools & Colleges. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Não informado. Nation's Schools & Colleges. Chicago, Ill: McGraw-Hill.

MLA (8e ed.) Bronvermelding

Não informado. Nation's Schools & Colleges. McGraw-Hill.

Let op: Deze citaties zijn niet altijd 100% accuraat.