APA (7e ed.) Bronvermelding

Yeung, R. (2008). Confidence: The art of getting whatever you want. Pearson Education Limited.

Chicago (17e ed.) Bronvermelding

Yeung, Rob. Confidence: The Art of Getting Whatever You Want. Harlow: Pearson Education Limited, 2008.

MLA (9e ed.) Bronvermelding

Yeung, Rob. Confidence: The Art of Getting Whatever You Want. Pearson Education Limited, 2008.