Cita APA (7th ed.)

Duursma, G., Ockendon, J., & Hogan, S. (1994). OBSTACLE-INDUCED VOIDS IN 2-DIMENSIONAL GAS-FLUIDIZED BEDS.

Cita Chicago (17th ed.)

Duursma, G., J. Ockendon, i S. Hogan. OBSTACLE-INDUCED VOIDS IN 2-DIMENSIONAL GAS-FLUIDIZED BEDS. 1994.

Cita MLA (9th ed.)

Duursma, G., et al. OBSTACLE-INDUCED VOIDS IN 2-DIMENSIONAL GAS-FLUIDIZED BEDS. 1994.