APA (7th ed.) Citation

Png, I., & Lehman, D. E. (2007). Managerial economics (3rde ed.). Blackwell Pub..

Chicago Style (17th ed.) Citation

Png, Ivan, and Dale E. Lehman. Managerial Economics. 3rde ed. Malden, MA: Blackwell Pub., 2007.

MLA (9th ed.) Citation

Png, Ivan, and Dale E. Lehman. Managerial Economics. 3rde ed. Blackwell Pub., 2007.