APA-referens (7:e uppl.)

Hopkins, J., & Craig, I. A. (1987). General methodology for the technical seminar/workshop component of Neradics. Northeast Rainfed Agricultural Development (NERAD) Project, Northeast Regional Office of Agriculture.

Chicago-referens (17:e uppl.)

Hopkins, James, och Iain A. Craig. General Methodology for the Technical Seminar/workshop Component of Neradics. Khon Kaen, Thailand: Northeast Rainfed Agricultural Development (NERAD) Project, Northeast Regional Office of Agriculture, 1987.

MLA-referens (9:e uppl.)

Hopkins, James, och Iain A. Craig. General Methodology for the Technical Seminar/workshop Component of Neradics. Northeast Rainfed Agricultural Development (NERAD) Project, Northeast Regional Office of Agriculture, 1987.