APA
Langrock T., Michaelowa A. & Greiner S. (2000). Defining Investment Additionality for CDM Projects. Hamburg: Hamburgisches Welt-Wirtschafts-Archiv (HWWA).
Chicago
Langrock Thomas, Michaelowa Axel and Greiner Sandra. 2000. Defining Investment Additionality for CDM Projects. Hamburg: Hamburgisches Welt-Wirtschafts-Archiv (HWWA).
Harvard
Langrock T., Michaelowa A. and Greiner S. (2000). Defining Investment Additionality for CDM Projects. Hamburg: Hamburgisches Welt-Wirtschafts-Archiv (HWWA).
MLA
Langrock Thomas, Michaelowa Axel and Greiner Sandra. Defining Investment Additionality for CDM Projects. Hamburg: Hamburgisches Welt-Wirtschafts-Archiv (HWWA). 2000.