ebrary, Inc, Symposium on the Future of Aerospace, & Flax, A. H. (1993). The Future of aerospace: Proceedings of a symposium held in honor of Alexander H. Flax, Home Secretary, National Academy of Engineering. National Academy Press.
Chicago-viite (17. p.)ebrary, Inc, Symposium on the Future of Aerospace, ja Alexander H. Flax. The Future of Aerospace: Proceedings of a Symposium Held in Honor of Alexander H. Flax, Home Secretary, National Academy of Engineering. Washington, D.C.: National Academy Press, 1993.
MLA-viite (9. p.)ebrary, Inc, et al. The Future of Aerospace: Proceedings of a Symposium Held in Honor of Alexander H. Flax, Home Secretary, National Academy of Engineering. National Academy Press, 1993.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.