APA aipamena

Rivara, F. P. (2007). Interdisciplinary research and randomized trials. BMJ Group.

Chicago Style aipamena

Rivara, Frederick P. Interdisciplinary Research and Randomized Trials. BMJ Group, 2007.

MLA aipamena

Rivara, Frederick P. Interdisciplinary Research and Randomized Trials. BMJ Group, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.