APA

(1999). Business guide to the general agreement on the trade in services. London: Commonwealth Sectariat.

Chicago

1999. Business guide to the general agreement on the trade in services. London: Commonwealth Sectariat.

Harvard

(1999). Business guide to the general agreement on the trade in services. London: Commonwealth Sectariat.

MLA

Business guide to the general agreement on the trade in services. London: Commonwealth Sectariat. 1999.