Dyfyniad APA

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.

Dyfyniad Arddull Chicago

Espinoza, Ana M., Griselda Arrieta-Espinoza, y Ana Sittenfeld. Relationship of Genetically Modified Crops With the Environment and Health of the Costa Rican Human Population. 2004.

Dyfyniad MLA

Espinoza, Ana M., Griselda Arrieta-Espinoza, y Ana Sittenfeld. Relationship of Genetically Modified Crops With the Environment and Health of the Costa Rican Human Population. 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.