Παραπομπή APA
Chang, C. C., & Keisler, H. J. (1977). Studies in logic and the foundations of mathematics: Vol. 73: Model theory. Amsterdam: North-Holland publishing company.
Παραπομπή Chicago StyleChang, C. C., and H. J. Keisler. Studies in Logic and the Foundations of Mathematics: Vol. 73: Model Theory. Amsterdam: North-Holland publishing company, 1977.
Παραπομπή MLAChang, C. C., and H. J. Keisler. Studies in Logic and the Foundations of Mathematics: Vol. 73: Model Theory. Amsterdam: North-Holland publishing company, 1977.
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