APA引文

Fisher, R., & Ertel, D. (1995). Getting ready to negotiate. Penguin Group.

Chicago Style (17th ed.) Citation

Fisher, Roger, and Danny Ertel. Getting Ready to Negotiate. [s.l.]: Penguin Group, 1995.

MLA引文

Fisher, Roger, and Danny Ertel. Getting Ready to Negotiate. Penguin Group, 1995.