Cita APA

Cabrera Monge, L. E., & Córdoba Cubillo, P. M. (1993). Learning english: Supplementary material for Costa Rican students 11 th graders. México: McGraw-Hill.

Citación estilo Chicago

Cabrera Monge, Leonor Eugenia,, y Patricia M. Córdoba Cubillo. Learning English: Supplementary Material for Costa Rican Students 11 Th Graders. México: McGraw-Hill, 1993.

Cita MLA

Cabrera Monge, Leonor Eugenia,, y Patricia M. Córdoba Cubillo. Learning English: Supplementary Material for Costa Rican Students 11 Th Graders. México: McGraw-Hill, 1993.