Gaya APA

watkins, L, G, P, D, M, P. (1993). Foundations of Clinical Research : Applications to practice . [s.i.]: appleton&lange.

Gaya MLA

watkins, Leslie, Gross, Portney, Dan, Mary, P.. "Foundations of Clinical Research : Applications to practice ". [s.i.]: appleton&lange, 1993. Text.