APA (7th ed.) Zitazioa
Forman, D. (1990). CAMPUS english: A problem-solving approach to study skills. Macmillan.
Chicago Style (17th ed.) Zitazioa
Forman, David. CAMPUS English: A Problem-solving Approach to Study Skills. London: Macmillan, 1990.
MLA (9th ed.) Zitazioa
Forman, David. CAMPUS English: A Problem-solving Approach to Study Skills. Macmillan, 1990.
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