Comfort, J. C. (1975). A flexible efficient computer system to answer human questions: The DL-programming language for artificial intelligence applications. Birkhäuser.
Chicago-Zitierstil (17. Ausg.)Comfort, John Craig. A Flexible Efficient Computer System to Answer Human Questions: The DL-programming Language for Artificial Intelligence Applications. Basel (u.a.): Birkhäuser, 1975.
MLA-Zitierstil (9. Ausg.)Comfort, John Craig. A Flexible Efficient Computer System to Answer Human Questions: The DL-programming Language for Artificial Intelligence Applications. Birkhäuser, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.