Porter, M. Going Places 1: English for work and travel. Workbook One.
Cita Chicago Style (17a ed.)Porter, Michael. Going Places 1: English for Work and Travel. Workbook One.
Cita MLA (8a ed.)Porter, Michael. Going Places 1: English for Work and Travel. Workbook One.
Precaución: Estas citas no son 100% exactas.