Não informado. (1973). Hydrogen Energy. University of New Mexico, Technology Application Center.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Hydrogen Energy. Albuquerque, México: University of New Mexico, Technology Application Center, 1973.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Hydrogen Energy. University of New Mexico, Technology Application Center, 1973.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.