(en) A.W. Irwin, D. A. Vandenburg, A. M. Larson et al.« A Program for the Analysis of Long-Period Binaries: The Case of γ Delphini » () (Bibcode1999ASPC..185..297I) —IAU Colloquium 170 — « (ibid.) », dans ASP Conference Series#185, J. B. Hearnshaw, C. D. Scarfe (ISBN1-58381-011-0)