Gaya APA
Roller-Wirnsberger, R. et al (2018).
Learning Geriatric Medicine (1st ed. 2018).
New york:
Springer International Publishing.
Gaya MLA
Roller-Wirnsberger, Regina. et al.
"Learning Geriatric Medicine".
1st ed. 2018
New york:
Springer International Publishing,
2018.
Text.