Graef, J. R., & Hale, J. K. (1992). Oscillation and dynamics in delay equations: Proceedings of an AMC Special Session held January 16-19, 1991. American Mathematical Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Graef, John R., και Jack K. Hale. Oscillation and Dynamics in Delay Equations: Proceedings of an AMC Special Session Held January 16-19, 1991. Providence, Rhode Island: American Mathematical Society, 1992.
Παραπομπή σε μορφή MLA (8th εκδ.)Graef, John R., και Jack K. Hale. Oscillation and Dynamics in Delay Equations: Proceedings of an AMC Special Session Held January 16-19, 1991. American Mathematical Society, 1992.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.