Παραπομπή APA

(1979). German Development Institute: Fourth progress report 1975-1978. Berlin: German Development Institute.

Παραπομπή Chicago Style

German Development Institute: Fourth Progress Report 1975-1978. Berlin: German Development Institute, 1979.

Παραπομπή MLA

German Development Institute: Fourth Progress Report 1975-1978. Berlin: German Development Institute, 1979.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.