OECD economic surveys: Portugal 2017 : february 2017. Volume 2017/2. Paris : OECD, 2017. 136 s. OECD economic surveys. Dostupné na : <http://www.oecd-ilibrary.org/economics/oecd-economic-surveys-portugal-2017_eco_surveys-prt-2017-en> ISBN 978-92-64-26924-8.