Geer, P. (2011). most up-to-date review and practice tests currently available: Geer, Philip.
Citazione stile Chigago Style (17a edizione)Geer, Philip. Most Up-to-date Review and Practice Tests Currently Available: Geer, Philip. Barron's Educational Series, 2011.
Citatione MLA (9a ed.)Geer, Philip. Most Up-to-date Review and Practice Tests Currently Available: Geer, Philip. 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.