Institute for the Future. (1968). Futures. Butterworth Scientific.
Citação do estilo Chicago (17ª ed.)Institute for the Future. Futures. Guildford, Inglaterra: Butterworth Scientific, 1968.
Citação MLA (8ª ed.)Institute for the Future. Futures. Butterworth Scientific, 1968.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.