Barr, A., Lindelow, M., Garcia-Montalvo, J., & Serneels, P. (2005). Intrinsic motivations on the development frontline: Do they exist? Do they endure? GPRG.
芝加哥风格引文Barr, A., M. Lindelow, J. Garcia-Montalvo, 与 P. Serneels. Intrinsic Motivations on the Development Frontline: Do They Exist? Do They Endure? GPRG, 2005.
MLA引文Barr, A., et al. Intrinsic Motivations on the Development Frontline: Do They Exist? Do They Endure? GPRG, 2005.
警告：这些引文格式不一定是100％准确.