Gaya APA
Villa, E. M. Di. (1919).
The Examination of Mines in China .
:
IG Library.
Gaya Chicago
Villa, E. M. Di.
The Examination of Mines in China.
:
IG Library,
1919.
Electronic Resources.
Gaya MLA
Villa, E. M. Di.
The Examination of Mines in China.
:
IG Library,
1919.
Electronic Resources.
Gaya Turabian
Villa, E. M. Di.
The Examination of Mines in China.
:
IG Library,
1919.
Electronic Resources.