APA (7th ed.) Citation

Dittmann, K., Dirbanis, K., & Meier, T. (2021). Project Management (IPMA): Study Guide for Level D and Basic Certificate (GPM) (1. Auflage 2020.). Haufe-Lexware GmbH & Co. KG.

Chicago Style (17th ed.) Citation

Dittmann, Karen, Konstantin Dirbanis, and Tinka Meier. Project Management (IPMA): Study Guide for Level D and Basic Certificate (GPM). 1. Auflage 2020. Freiburg: Haufe-Lexware GmbH & Co. KG, 2021.

MLA (9th ed.) Citation

Dittmann, Karen, et al. Project Management (IPMA): Study Guide for Level D and Basic Certificate (GPM). 1. Auflage 2020. Haufe-Lexware GmbH & Co. KG, 2021.