ZELINSKI, E. J. (2005). The Joy of Not Working: Cara Bahagia Saat Pensiun, Menganggur, dan Kebanjiran Pekerjaan. Penerbit PPM.
Chicago Style (17th ed.) CitationZELINSKI, Ernie J. The Joy of Not Working: Cara Bahagia Saat Pensiun, Menganggur, Dan Kebanjiran Pekerjaan. Penerbit PPM, 2005.
MLA (8th ed.) CitationZELINSKI, Ernie J. The Joy of Not Working: Cara Bahagia Saat Pensiun, Menganggur, Dan Kebanjiran Pekerjaan. Penerbit PPM, 2005.
Warning: These citations may not always be 100% accurate.