Steer, J., & Carlisi, K. (1998). The Advanced grammar book (2nd ed.). Heinle & Heinle.
Cita Chicago Style (17a ed.)Steer, Jocelyn, y Karen Carlisi. The Advanced Grammar Book. 2nd ed. Massachusetts: Heinle & Heinle, 1998.
Cita MLA (9a ed.)Steer, Jocelyn, y Karen Carlisi. The Advanced Grammar Book. 2nd ed. Heinle & Heinle, 1998.
Precaución: Estas citas no son 100% exactas.