APA (7e ed.) Bronvermelding

Gilbert, I. (2014). Independent thinking. Independent Thinking Press.

Chicago (17e ed.) Bronvermelding

Gilbert, Ian. Independent Thinking. Carmarthen, Wales: Independent Thinking Press, 2014.

MLA (9e ed.) Bronvermelding

Gilbert, Ian. Independent Thinking. Independent Thinking Press, 2014.

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