(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.
Dyfyniad Arddull Chicago(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.
Dyfyniad MLA(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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.