Cita APA

Gatenby, E. V. (1972). A direct method english course. Longman.

Citación estilo Chicago

Gatenby, E. V. A Direct Method English Course. London: Longman, 1972.

Cita MLA

Gatenby, E. V. A Direct Method English Course. Longman, 1972.

Warning: These citations may not always be 100% accurate.