Estilo APA

Bonner, Margaret, Fuchs, Margajorie. (). / Grammar Express-with answers . : Longman.

Estilo Chicago

Bonner, Margaret, Fuchs, Margajorie. / Grammar Express-with answers. : Longman, . IES DyT 9-001 Gral. San Martin.

Estilo MLA

Bonner, Margaret, Fuchs, Margajorie. / Grammar Express-with answers. : Longman, . IES DyT 9-001 Gral. San Martin.

Estilo Turabian

Bonner, Margaret, Fuchs, Margajorie. / Grammar Express-with answers. : Longman, . IES DyT 9-001 Gral. San Martin.