APA (7e ed.) Bronvermelding

(2014). Eurostat-OECD methodological guide for developing producer price indices for services (Second edition.). OECD.

Chicago (17e ed.) Bronvermelding

Eurostat-OECD Methodological Guide for Developing Producer Price Indices for Services. Second edition. Paris, France: OECD, 2014.

MLA (9e ed.) Bronvermelding

Eurostat-OECD Methodological Guide for Developing Producer Price Indices for Services. Second edition. OECD, 2014.