Ackert, P., & Lee, L. (2005). Facts & figures (4. ed.). Boston, Mass.: National Geographic Learning ; Cengage Learning.
Chicago Style CitationAckert, Patricia, and Linda Lee. Facts & Figures. 4. ed. Boston, Mass.: National Geographic Learning ; Cengage Learning, 2005.
MLA CitationAckert, Patricia, and Linda Lee. Facts & Figures. 4. ed. Boston, Mass.: National Geographic Learning ; Cengage Learning, 2005.
Warning: These citations may not always be 100% accurate.