APA (7e ed.) Bronvermelding

Feynman, R. P. (2005). Don't you have time to think? Penguin,.

Chicago (17e ed.) Bronvermelding

Feynman, Richard Phillips. Don't You Have Time to Think? London: Penguin,, 2005.

MLA (8e ed.) Bronvermelding

Feynman, Richard Phillips. Don't You Have Time to Think? Penguin,, 2005.