Eves, F. F., Thorpe, S. K. S., Lewis, A., & Taylor-Covill, G. A. H. (2013). Does perceived steepness deter stair climbing when an alternative is available? Springer US.
Citação norma ChicagoEves, Frank F., Susannah K. S. Thorpe, Amanda Lewis, and Guy A. H. Taylor-Covill. Does Perceived Steepness Deter Stair Climbing When an Alternative Is Available? Springer US, 2013.
MLA引文Eves, Frank F., Susannah K. S. Thorpe, Amanda Lewis, and Guy A. H. Taylor-Covill. Does Perceived Steepness Deter Stair Climbing When an Alternative Is Available? Springer US, 2013.
警告：這些引文格式不一定是100％准確.