APA-viite

Wittich, C. M., Agrawal, A., Cook, D. A., Halvorsen, A. J., Mandrekar, J. N., Chaudhry, S., . . . Beckman, T. J. (2017). E-learning in graduate medical education: Survey of residency program directors. BMC Med Educ.

Chicago-tyylinen lähdeviittaus

Wittich, Christopher M., Anoop Agrawal, David A. Cook, Andrew J. Halvorsen, Jayawant N. Mandrekar, Saima Chaudhry, Denise M. Dupras, Amy S. Oxentenko, ja Thomas J. Beckman. "E-learning in Graduate Medical Education: Survey of Residency Program Directors." BMC Med Educ 2017.

MLA-viite

Wittich, Christopher M., et al. "E-learning in Graduate Medical Education: Survey of Residency Program Directors." BMC Med Educ 2017.

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