Lewis, R. (1982). Reading for adults. Longman Group Ltd.
Cita Chicago Style (17a ed.)Lewis, Richard. Reading for Adults. Hongkong: Longman Group Ltd, 1982.
Cita MLA (9a ed.)Lewis, Richard. Reading for Adults. Longman Group Ltd, 1982.
Precaución: Estas citas no son 100% exactas.