APA Style
Gerrard, John, عبدالغنی. ().
Mountain Environments .
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Chicago Style
Gerrard, John, عبدالغنی.
Mountain Environments.
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MLA Style
Gerrard, John, عبدالغنی.
Mountain Environments.
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,
.
.
Turabian Style
Gerrard, John, عبدالغنی.
Mountain Environments.
:
,
.
.