Gaya APA

Fretwell, M, D., Wachtel, T, J. (2007). Practical Guide to the Care of the Geriatric Patient (Ed.3rd). USA: Mosby Elsevier.

Gaya MLA

Fretwell, Marsha, D.., Wachtel, Tom, J.. "Practical Guide to the Care of the Geriatric Patient". Ed.3rd USA: Mosby Elsevier, 2007. Text.