APA Citation

(1981). World English ( Workbook ). Orlando, FL: Harcourt, Brace International.

Trích dẫn kiểu Chicago

World English ( Workbook ). Orlando, FL: Harcourt, Brace International, 1981.

MLA Citation

World English ( Workbook ). Orlando, FL: Harcourt, Brace International, 1981.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.