Duursma, G., Ockendon, J., & Hogan, S. (1994). OBSTACLE-INDUCED VOIDS IN 2-DIMENSIONAL GAS-FLUIDIZED BEDS.
芝加哥风格引文Duursma, G., J. Ockendon, 与 S. Hogan. OBSTACLE-INDUCED VOIDS IN 2-DIMENSIONAL GAS-FLUIDIZED BEDS. 1994.
MLA引文Duursma, G., et al. OBSTACLE-INDUCED VOIDS IN 2-DIMENSIONAL GAS-FLUIDIZED BEDS. 1994.
警告：这些引文格式不一定是100％准确.