APA Style
Isard, Walter. ().
Emeralds of Pakistan geology- gemology and genesis .
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Chicago Style
Isard, Walter.
Emeralds of Pakistan geology- gemology and genesis.
:
,
.
.
MLA Style
Isard, Walter.
Emeralds of Pakistan geology- gemology and genesis.
:
,
.
.
Turabian Style
Isard, Walter.
Emeralds of Pakistan geology- gemology and genesis.
:
,
.
.