Dyfyniad APA

Langan, J. (2002). Reading and study skills (7th ed.). Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Langan, John. Reading and Study Skills. 7th ed. Boston: McGraw-Hill, 2002.

Dyfyniad MLA

Langan, John. Reading and Study Skills. 7th ed. Boston: McGraw-Hill, 2002.

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