APA (7 ম সংস্করণ) উদ্ধৃতি

Gusnidar. (2003). WINDOW ON THE WORLD A New Approach to Learning English for SMU year 1 Semester System. Erlangga.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gusnidar. WINDOW ON THE WORLD A New Approach to Learning English for SMU Year 1 Semester System. Erlangga, 2003.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Gusnidar. WINDOW ON THE WORLD A New Approach to Learning English for SMU Year 1 Semester System. Erlangga, 2003.