Dyfyniad APA

Kon, O. M., Redhead, J. B., Gillen, D., Fothergill, J., Henry, J. A., & Mitchell, D. M. (1996). "Crack lung" caused by an impure preparation.

Dyfyniad Arddull Chicago

Kon, O. M., J. B. Redhead, D. Gillen, J. Fothergill, J. A. Henry, and D. M. Mitchell. "Crack Lung" Caused By an Impure Preparation. 1996.

Dyfyniad MLA

Kon, O. M., et al. "Crack Lung" Caused By an Impure Preparation. 1996.

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