Heitz, J., & Giffen, C. (2008). Practicing biology: A student workbook (Third edition.). Pearson Eduction.
Citación estilo ChicagoHeitz, Jean, and Cynthia Giffen. Practicing Biology: A Student Workbook. Third edition. San Francisco, CA: Pearson Eduction, 2008.
Cita MLAHeitz, Jean, and Cynthia Giffen. Practicing Biology: A Student Workbook. Third edition. Pearson Eduction, 2008.
Warning: These citations may not always be 100% accurate.