Blamoutier, F., Maurice, M., & Milelli, C. (1977). Permanent directory of energy information sources in the European community. Commission of the European communities.
Chicago-Zitierstil (17. Ausg.)Blamoutier, F., M. Maurice, und C. Milelli. Permanent Directory of Energy Information Sources in the European Community. Luxembourg: Commission of the European communities, 1977.
MLA-Zitierstil (9. Ausg.)Blamoutier, F., et al. Permanent Directory of Energy Information Sources in the European Community. Commission of the European communities, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.