Wooldridge, P. J., Leonard, R. C., & Skipper, J. K. (1978). Methods of clinical experimentation to improve patient care. Mosby.
Čikaški stil citiranja (17. izdanje)Wooldridge, Powhatan J., Robert C. Leonard, i James K. Skipper. Methods of Clinical Experimentation to Improve Patient Care. Saint Louis: Mosby, 1978.
MLA način citiranja (9. izdanje)Wooldridge, Powhatan J., et al. Methods of Clinical Experimentation to Improve Patient Care. Mosby, 1978.
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