Nigeria 2015. Paris : OECD, 2015. 308 s. OECD Investment Policy Reviews. Dostupné na : <http://www.oecd-ilibrary.org/finance-and-investment/oecd-investment-policy-reviews-nigeria-2015_9789264208407-en> ISBN 978-92-64-20839-1. [Počet ex. : 1, z toho voľných 1, prezenčne 0]