Παραπομπή σε μορφή APA (7η εκδ.)

Commission of the European Communities & Zegers P. (1988). Energy Conservation R and D programme 1985-1988: List of contracts with overviews of the main topics. Commission of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Commission of the European Communities και Zegers P. Energy Conservation R and D Programme 1985-1988: List of Contracts with Overviews of the Main Topics. Commission of the European Communities, 1988.

Παραπομπή σε μορφή MLA (8th εκδ.)

Commission of the European Communities και Zegers P. Energy Conservation R and D Programme 1985-1988: List of Contracts with Overviews of the Main Topics. Commission of the European Communities, 1988.