Cita APA (7a ed.)
Liu, H., & Horníková, A. (2005). Interlaboratory study od DEA proficiency: Test using excel. National Institute of Standards and Technology.
Cita Chicago Style (17a ed.)
Liu, Hung-Kung, y Adriana Horníková. Interlaboratory Study Od DEA Proficiency: Test Using Excel. Gaithersburg: National Institute of Standards and Technology, 2005.
Cita MLA (9a ed.)
Liu, Hung-Kung, y Adriana Horníková. Interlaboratory Study Od DEA Proficiency: Test Using Excel. National Institute of Standards and Technology, 2005.
Precaución: Estas citas no son 100% exactas.