Johnston, O. (2006). New Opportunities; education for life: Elementary language powerbook. Longman.
Style de citation Chicago (17e éd.)Johnston, Olivia. New Opportunities; Education for Life: Elementary Language Powerbook. England: Longman, 2006.
Style de citation MLA (9e éd.)Johnston, Olivia. New Opportunities; Education for Life: Elementary Language Powerbook. Longman, 2006.
Attention : ces citations peuvent ne pas être correctes à 100%.