APA aipamena

Bales, S. (1998). English in economics and business: English for economics and business students. Ha Noi: Giao duc.

Chicago Style aipamena

Bales, Sarah. English in Economics and Business: English for Economics and Business Students. Ha Noi: Giao duc, 1998.

MLA aipamena

Bales, Sarah. English in Economics and Business: English for Economics and Business Students. Ha Noi: Giao duc, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.