Style de citation APA

Whitehead, J., Todd, S., Whitehead, A., & Stallard, N. (2001). Interim analyses in clinical trials. Blackwell Science Inc.

Style de citation Chicago

Whitehead, John, Susan Todd, Anne Whitehead, et Nigel Stallard. Interim Analyses in Clinical Trials. Blackwell Science Inc, 2001.

Style de citation MLA

Whitehead, John, Susan Todd, Anne Whitehead, et Nigel Stallard. Interim Analyses in Clinical Trials. Blackwell Science Inc, 2001.

Attention : ces citations peuvent ne pas être correctes à 100%.