APA Style
United States Environmental Protection Agency, Washington, DC., اکرام الحق. ().
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Chicago Style
United States Environmental Protection Agency, Washington, DC., اکرام الحق.
قرآنی قاعدہ.
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MLA Style
United States Environmental Protection Agency, Washington, DC., اکرام الحق.
قرآنی قاعدہ.
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Turabian Style
United States Environmental Protection Agency, Washington, DC., اکرام الحق.
قرآنی قاعدہ.
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,
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.