Gaya APA

Brennan, L, D. (1963). Effective Business Writing And Speaking : Includes Business Communication, Business English, Business Correspondence, Management Writing And Speaking, Report Writing, Business Speaking, Sales, And Advertising (Edisi 2). New Jersey: Littlefield, Adams and Co..

Gaya MLA

Brennan, Lawrence, D.. "Effective Business Writing And Speaking : Includes Business Communication, Business English, Business Correspondence, Management Writing And Speaking, Report Writing, Business Speaking, Sales, And Advertising". Edisi 2 New Jersey: Littlefield, Adams and Co., 1963. .