Gaya APA
National Library of Medicini Classification. (1994).
:
.
Gaya Chicago
National Library of Medicini Classification.
.
:
,
1994.
Text.
Gaya MLA
National Library of Medicini Classification.
.
:
,
1994.
Text.
Gaya Turabian
National Library of Medicini Classification.
:
,
1994.
Print.