Singer, H. W. (1982). Technologies for basic needs (Second edition.). International Labour Office.
Chicago Style (17th ed.) CitationSinger, H. W. Technologies for Basic Needs. Second edition. Geneva: International Labour Office, 1982.
ציטוט MLASinger, H. W. Technologies for Basic Needs. Second edition. International Labour Office, 1982.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.