APA (7 ম সংস্করণ) উদ্ধৃতি

Littlejohn, A. Company to company. A communicative aproach to business correspondence in english. student´s book (3a ed.).

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Littlejohn, Andrew. Company to Company. A Communicative Aproach to Business Correspondence in English. Student´s Book. 3a ed.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Littlejohn, Andrew. Company to Company. A Communicative Aproach to Business Correspondence in English. Student´s Book. 3a ed.