APA (7e ed.) Bronvermelding

Riddle, D. (2001). Innovating for success in the export of services: A handbook. International Trade Centre.

Chicago (17e ed.) Bronvermelding

Riddle, Dorothy. Innovating for Success in the Export of Services: A Handbook. Geneva: International Trade Centre, 2001.

MLA (9e ed.) Bronvermelding

Riddle, Dorothy. Innovating for Success in the Export of Services: A Handbook. International Trade Centre, 2001.