LOWIS DAVID. (1990). SECRETS OF LANGAUAGE OF SUCCESS: ACHIEVE IT ALL IN BUSINESS AND LIFE. CORGI BOOK.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)LOWIS DAVID. SECRETS OF LANGAUAGE OF SUCCESS: ACHIEVE IT ALL IN BUSINESS AND LIFE. LONDON: CORGI BOOK, 1990.
MLA -ийн эшлэл (9 дэх хэвлэлт)LOWIS DAVID. SECRETS OF LANGAUAGE OF SUCCESS: ACHIEVE IT ALL IN BUSINESS AND LIFE. CORGI BOOK, 1990.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.