APA

OECD, . (1963). International seminars / OECD. Paris: OECD, Soc. Affairs Div.

Chicago

OECD, . 1963. International seminars / OECD. Paris: OECD, Soc. Affairs Div.

Harvard

OECD, . (1963). International seminars / OECD. Paris: OECD, Soc. Affairs Div.

MLA

OECD, . International seminars / OECD. Paris: OECD, Soc. Affairs Div. 1963.