Bản mẫu:Chú thích DOI/10.1111.2Fj.1559-1816.2004.tb01975.x
Druckman, Daniel (2004). “Be All That You Can Be: Enhancing Human Performance”. Journal of Applied Social Psychology. Wiley. 34 (11): 2234–2260. doi:10.1111/j.1559-1816.2004.tb01975.x.
Druckman, Daniel (2004). “Be All That You Can Be: Enhancing Human Performance”. Journal of Applied Social Psychology. Wiley. 34 (11): 2234–2260. doi:10.1111/j.1559-1816.2004.tb01975.x.