Geer, P. (2011). most up-to-date review and practice tests currently available: Geer, Philip.
Chicago Style (17. basım) AtıfGeer, Philip. Most Up-to-date Review and Practice Tests Currently Available: Geer, Philip. Barron's Educational Series, 2011.
MLA (9th ed.) AtıfGeer, Philip. Most Up-to-date Review and Practice Tests Currently Available: Geer, Philip. 2011.
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