APA

Oxford University Press, . (1990). Treatment of early breast cancer : volumen 1 worldwide evidence 1985-1990. Early breast cancer trialists collaborative group. Oxford: Oxford University Press.

Chicago

Oxford University Press, . 1990. Treatment of early breast cancer : volumen 1 worldwide evidence 1985-1990. Early breast cancer trialists collaborative group. Oxford: Oxford University Press.

Harvard

Oxford University Press, . (1990). Treatment of early breast cancer : volumen 1 worldwide evidence 1985-1990. Early breast cancer trialists collaborative group. Oxford: Oxford University Press.

MLA

Oxford University Press, . Treatment of early breast cancer : volumen 1 worldwide evidence 1985-1990. Early breast cancer trialists collaborative group. Oxford: Oxford University Press. 1990.