Cita APA

Pittman, G. (1970). Preparatory technical English: Teacher's book ([4th. imp.].). London: Longman.

Citación estilo Chicago

Pittman, G.A. Preparatory Technical English: Teacher's Book. [4th. imp.]. London: Longman, 1970.

Cita MLA

Pittman, G.A. Preparatory Technical English: Teacher's Book. [4th. imp.]. London: Longman, 1970.

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