Gaya APA
Douglas, Robert K.. (1882).
China .
:
IG Library.
Gaya Chicago
Douglas, Robert K..
China.
:
IG Library,
1882.
Electronic Resources.
Gaya MLA
Douglas, Robert K..
China.
:
IG Library,
1882.
Electronic Resources.
Gaya Turabian
Douglas, Robert K..
China.
:
IG Library,
1882.
Electronic Resources.