Centre, B. H. T. Book promotion, sales and distribution a management training course. UNESCO.
Chicago-referens (17:e uppl.)Centre, Book House Training. Book Promotion, Sales and Distribution a Management Training Course. UNESCO.
MLA-referens (8:e uppl.)Centre, Book House Training. Book Promotion, Sales and Distribution a Management Training Course. UNESCO.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.