Forman, D., Donoghue, F., Abbey, S., Cruden, B., & Kidd, I. (1990). Campus English: A problem-solving approach to study skills. Teacher's Book. MacMillan Publishers.
Chicago Style (17th ed.) CitationForman, David, Frank Donoghue, Susan Abbey, Bryan Cruden, and Ian Kidd. Campus English: A Problem-solving Approach to Study Skills. Teacher's Book. Londres: MacMillan Publishers, 1990.
MLA (9th ed.) CitationForman, David, et al. Campus English: A Problem-solving Approach to Study Skills. Teacher's Book. MacMillan Publishers, 1990.
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