Farrell, M. J., Arnold, P., Pettifer, S., Adams, J., Graham, T., & MacManamon, M. (2003). Transfer of Route Learning From Virtual to Real Environments. Journal of Experimental Psychology: Applied, 9(4), 219-227. https://doi.org/10.1037/1076-898X.9.4.219

Farrell, Martin J., Paul Arnold, Steve Pettifer, Jessica Adams, Tom Graham, and Michael MacManamon. "Transfer of Route Learning From Virtual to Real Environments." Journal of Experimental Psychology: Applied 9, no. 4 (2003): 219-227. https://doi.org/10.1037/1076-898X.9.4.219.

Farrell, Martin J., et al. "Transfer of Route Learning From Virtual to Real Environments." Journal of Experimental Psychology: Applied, vol. 9, no. 4, 2003, pp. 219-227, https://doi.org/10.1037/1076-898X.9.4.219.