APA aipamena

Langan, J. (2010). Reading and study skills (Ninth Edition.). McGraw-Hill.

Chicago Style aipamena

Langan, John. Reading and Study Skills. Ninth Edition. Boston: McGraw-Hill, 2010.

MLA aipamena

Langan, John. Reading and Study Skills. Ninth Edition. McGraw-Hill, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.