Kevin Freiberg; Jackie Freiberg. (1998). Nuts!: Southwest Airlines' Crazy Recipe for Business and Personal Success (Reprint.). Crown Business.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Kevin Freiberg; Jackie Freiberg. Nuts!: Southwest Airlines' Crazy Recipe for Business and Personal Success. Reprint. Crown Business, 1998.
MLA -ийн эшлэл (9 дэх хэвлэлт)Kevin Freiberg; Jackie Freiberg. Nuts!: Southwest Airlines' Crazy Recipe for Business and Personal Success. Reprint. Crown Business, 1998.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.