APA (7e ed.) Bronvermelding

(美)约翰·博格(John C. Bogle)著. (2021). 足够：true measures of money, business, and life. 中信出版集团股份有限公司.

Chicago (17e ed.) Bronvermelding

(美)约翰·博格(John C. Bogle)著. 足够：true Measures of Money, Business, and Life. 中信出版集团股份有限公司, 2021.

MLA (8e ed.) Bronvermelding

(美)约翰·博格(John C. Bogle)著. 足够：true Measures of Money, Business, and Life. 中信出版集团股份有限公司, 2021.

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