Cita APA

Sheerin, S. (1990). Self-accesss ([1st ed., 2nd. reimp.].). Oxford: Oxford University Press.

Citación estilo Chicago

Sheerin, Susan. Self-accesss. [1st ed., 2nd. reimp.]. Oxford: Oxford University Press, 1990.

Cita MLA

Sheerin, Susan. Self-accesss. [1st ed., 2nd. reimp.]. Oxford: Oxford University Press, 1990.