APA-čujuhus (7. p.)
Hackshaw, A. K. (2015). A concise guide to observational studies in healthcare. John Wiley & Sons Inc..
Chicago-čujuhus (17. p.)
Hackshaw, Allan K. A Concise Guide to Observational Studies in Healthcare. Chichester, West Sussex, United Kingdom: John Wiley & Sons Inc., 2015.
MLA-čujuhus (9. p.)
Hackshaw, Allan K. A Concise Guide to Observational Studies in Healthcare. John Wiley & Sons Inc., 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.