APA aipamena

Geyer, J. D., Lichstein, K. L., Ruiter, M. E., Ward, L. C., Carney, P. R., & Dillard, S. C. (2011). Sleep Education for Paradoxical Insomnia.

Chicago Style aipamena

Geyer, James D., Kenneth L. Lichstein, Megan E. Ruiter, L. Charles Ward, Paul R. Carney, and Stephenie C. Dillard. Sleep Education for Paradoxical Insomnia. 2011.

MLA aipamena

Geyer, James D., et al. Sleep Education for Paradoxical Insomnia. 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.