Treece, E. M. W., & Treece, J. W. (1973). Elements of research in nursing. Mosby.
Citazione stile Chigago Style (17a edizione)Treece, Eleanor Mae Walters, e James William Treece. Elements of Research in Nursing. Saint Louis: Mosby, 1973.
Citatione MLA (9a ed.)Treece, Eleanor Mae Walters, e James William Treece. Elements of Research in Nursing. Mosby, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.