APA (7th ed.) Citation

Dean M. Michael & Johnston O. Olivia. (2002). Opportunities. Elementary: Language Powerbook. Harlow, Longman, 2002.

Chicago Style (17th ed.) Citation

Dean M. Michael and Johnston O. Olivia. Opportunities. Elementary: Language Powerbook. Harlow, Longman, 2002, 2002.

MLA (9th ed.) Citation

Dean M. Michael and Johnston O. Olivia. Opportunities. Elementary: Language Powerbook. Harlow, Longman, 2002, 2002.

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