RIES AL; TROUT JACK. (1993). 22 IMMUTABLE LAWS OF MARKETING: VIOLATE THEM AT YOUR OWN RISK. INDU PUBLICATIONS.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)RIES AL; TROUT JACK. 22 IMMUTABLE LAWS OF MARKETING: VIOLATE THEM AT YOUR OWN RISK. NEW DELHI: INDU PUBLICATIONS, 1993.
MLA -ийн эшлэл (9 дэх хэвлэлт)RIES AL; TROUT JACK. 22 IMMUTABLE LAWS OF MARKETING: VIOLATE THEM AT YOUR OWN RISK. INDU PUBLICATIONS, 1993.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.