APA-referens (7:e uppl.)

Smale, M. (2009). Measuring the economic impacts of transgenic crops in developing agriculture during the first decade: Approaches, findings, and future directions. International Food Policy Research Institute.

Chicago-referens (17:e uppl.)

Smale, Melinda. Measuring the Economic Impacts of Transgenic Crops in Developing Agriculture During the First Decade: Approaches, Findings, and Future Directions. Washington, DC: International Food Policy Research Institute, 2009.

MLA-referens (9:e uppl.)

Smale, Melinda. Measuring the Economic Impacts of Transgenic Crops in Developing Agriculture During the First Decade: Approaches, Findings, and Future Directions. International Food Policy Research Institute, 2009.