APA Style
Brownstone, David M.. ().
Directory of the Economic Minerals of Pakistan. .
:
.
Chicago Style
Brownstone, David M..
Directory of the Economic Minerals of Pakistan..
:
,
.
.
MLA Style
Brownstone, David M..
Directory of the Economic Minerals of Pakistan..
:
,
.
.
Turabian Style
Brownstone, David M..
Directory of the Economic Minerals of Pakistan..
:
,
.
.