Successful International Negotiations: A Practical Guide for Managing Transactions and Deals
  MLA
  Helmold, Marc, et al. Successful International Negotiations: A Practical Guide for Managing Transactions and Deals. Springer International Publishing, 2020.
  APA
  Helmold, M., Dathe, T., Hummel, F., Pieper, J., & Terry, B. (2020). Successful International Negotiations: A Practical Guide for Managing Transactions and Deals. Springer International Publishing.
  Chicago
  Helmold, Marc, Tracy Dathe, Florian Hummel, Jan Pieper, and Brian Terry. Successful International Negotiations: A Practical Guide for Managing Transactions and Deals. : Springer International Publishing, 2020.