Espinoza, A. M., Arrieta-Espinoza, G., & Sittenfeld, A. (2004). Relationship of genetically modified crops with the environment and health of the Costa Rican human population.
استشهاد بنمط شيكاغوEspinoza, Ana M., Griselda Arrieta-Espinoza, و Ana Sittenfeld. Relationship of Genetically Modified Crops With the Environment and Health of the Costa Rican Human Population. 2004.
MLA استشهادEspinoza, Ana M., Griselda Arrieta-Espinoza, و Ana Sittenfeld. Relationship of Genetically Modified Crops With the Environment and Health of the Costa Rican Human Population. 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.