APA Alıntı

McGowan, R. M., Parkes, W. R., Phillips, T. J., & Williamson, R. G. (1974). Letter: Disability and coal workers' pneumoconiosis.

Chicago Stili Alıntı

McGowan, R M., W R. Parkes, T J. Phillips, ve R G. Williamson. Letter: Disability and Coal Workers' Pneumoconiosis. 1974.

MLA Alıntı

McGowan, R M., W R. Parkes, T J. Phillips, ve R G. Williamson. Letter: Disability and Coal Workers' Pneumoconiosis. 1974.