Tillery, B. W., Enger, E. D., & Ross, F. C. (2007). Integrated science (3rd ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Tillery, Bill W., Eldon D. Enger, y Frederick C. Ross. Integrated Science. 3rd ed. Boston: McGraw-Hill, 2007.
Cita MLA (8a ed.)Tillery, Bill W., et al. Integrated Science. 3rd ed. McGraw-Hill, 2007.
Precaución: Estas citas no son 100% exactas.