APA Style
Gregory, Derek, سعادت سحر. ().
Ideology, Science and Human Geography .
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Chicago Style
Gregory, Derek, سعادت سحر.
Ideology, Science and Human Geography.
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,
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.
MLA Style
Gregory, Derek, سعادت سحر.
Ideology, Science and Human Geography.
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,
.
.
Turabian Style
Gregory, Derek, سعادت سحر.
Ideology, Science and Human Geography.
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,
.
.