Hajek, A. E., Nielsen, C., Kepler, R. M., Long, S. J., & Castrillo, L. (2013). Fidelity Among Sirex Woodwasps and Their Fungal Symbionts. Springer-Verlag.

Hajek, Ann E., Charlotte Nielsen, Ryan M. Kepler, Stefan J. Long, ja Louela Castrillo. Fidelity Among Sirex Woodwasps and Their Fungal Symbionts. Springer-Verlag, 2013.

Hajek, Ann E., et al. Fidelity Among Sirex Woodwasps and Their Fungal Symbionts. Springer-Verlag, 2013.