Gaya APA

DUCKWORTH, Michael. (2003). BUSINESS GRAMMAR & PRACTICE (NEW EDITION). : .

Gaya Chicago

DUCKWORTH, Michael. BUSINESS GRAMMAR & PRACTICE. NEW EDITION : , 2003. Text.

Gaya MLA

DUCKWORTH, Michael. BUSINESS GRAMMAR & PRACTICE. NEW EDITION : , 2003. Text.

Gaya Turabian

DUCKWORTH, Michael. BUSINESS GRAMMAR & PRACTICE. NEW EDITION : , 2003. Print.