Gaya APA
Bartl, R., Frisch, B. (2009).
Osteoporosis: diagnosis, prevention, therapy (2).
Berlin:
Springer Publishing Company.
Gaya MLA
Bartl, Reiner., Frisch, Bertha.
"Osteoporosis: diagnosis, prevention, therapy".
2
Berlin:
Springer Publishing Company,
2009.
Text.