Lua APA (7ú heag.)

(美)弗里茨·吉尔伯特(Fritz Gilbert)著. (2023). 老后无忧:退休规划与心理健康指南:staying happy, active, and productive in your retired years. 中信出版集团.

Lua i Stíl Chicago (17ú heag.)

(美)弗里茨·吉尔伯特(Fritz Gilbert)著. 老后无忧:退休规划与心理健康指南:staying Happy, Active, and Productive in Your Retired Years. 中信出版集团, 2023.

Lua MLA (8ú heag.)

(美)弗里茨·吉尔伯特(Fritz Gilbert)著. 老后无忧:退休规划与心理健康指南:staying Happy, Active, and Productive in Your Retired Years. 中信出版集团, 2023.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.