Seabrook, J. (1978). What went wrong?: Why hasn't having more made people happier? Pantheon.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Seabrook, Jeremy. What Went Wrong?: Why Hasn't Having More Made People Happier? New York: Pantheon, 1978.
MLA -ийн эшлэл (9 дэх хэвлэлт)Seabrook, Jeremy. What Went Wrong?: Why Hasn't Having More Made People Happier? Pantheon, 1978.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.