Development Centre Studies & Jequier, N. (1979). Appropriate Technology Directori: наукове видання.
Chicago Style (17th ed.) CitationDevelopment Centre Studies and Nicolas Jequier. Appropriate Technology Directori: наукове видання. 1979.
MLA引文Development Centre Studies and Nicolas Jequier. Appropriate Technology Directori: наукове видання. 1979.
警告:這些引文格式不一定是100%准確.